There are four different trails to the top of a mountain. In how many ways can a person hike up and down the mountain if he must take the same trail both ways? he can, but doesn’t need to, take the same trail both ways? he does not want to take the same trail both ways

Q: David has bought 4 tickets for a concert. 1 is for himself. The other 3 he will give to 3 friends to…

A: If, there are n items and need to select r items among them, we can select them in Crn=n!r!×(n-r)!…

Q: On a math exam, students must answer 5 out of 7 questions from Part A and only 2 out of 4 questions…

A: Introduction: Suppose, there are n different objects. Out of the total number of objects, r objects…

Q: A student needs 8 more classes to complete her degree. If she has met 5 pre-requisites for all the…

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Q: he table shows different ways that Cam'ron can display his 12 model cars on shelves how many shelves…

A: Given that: 12 model cars.   8 shelves display 1 car.

Q: Suppose you are at a buffet and there are 10 vegetarian options and 6 options with meat. How many…

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Q: For the driving part of your vacation you will täkê 6 8f the 35 rock cassettes in your collection, 3…

A: This is a question of probability   We have total 35 rock cassettes, 22 classical cassestes and 8…

Q: Hi. Can I get help how to figure this out? Thanks.

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Q: Because of her work schedule, Molly Kay plans to take classes at 8:00, 10:00, and 11:00. Five…

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Q: Starting from your apartment, you drive 6 blocks east to the grocery store, then 5 blocks north to…

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Q: You are on a farm that raises cows and chickens. If there are 20 animals total, and the animals have…

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Q: The number of ways 3 nurses and 4 engineers can be seated on a bench with the nurses seated together…

A: Number of nurses = 3 Number of engineers = 4

Q: A team plays 15 games a season. In how many ways can it have 8 wins and 7 losses?

A:

Q: Tim and Tom are both members of the school's 10 person cross-country team.  The team is told to line…

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Q: If you live in Dallas, then you live in Texas. Greg lives in Dallas.  No conclusion Greg lives in…

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Q: f my sisters has two more sisters than brothers. How many more sisters than brothers does my…

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Q: Mr Regpala needs the help of 6 students from the class to help him move some supplies. If the class…

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Q: Alonzo is doing research for the city newspaper on the six topics listed below. He can choose to…

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Q: Suppose you want to select two types of snacks and one drink in a coffee shop. There are 5 choices…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.