The sum of two numbers is 57. Their difference is 15. What are the two numbers? 72 and 57 36 and 21 36 and 57 21 and 6

Q: If a snowblower is 7 times more than the other objects at a yard sale and you made $480 then how was…

A:

Q: Tomas earns $28 each time he mows the lawn for a neighbor. Tomas mowed 39 lawns in the month of…

A: Tomas earns $28 each time he mows the lawn for a neighbor. Tomas mowed 39 lawns in the month of…

Q: Which expression has a sum of 42?

A: The objective is to find the expression which has sum of 42.

Q: Jack drove 520 miles on his trip. If he was going 65 miles per hour, how many hours did he drive? O…

A: Given that Jack is driving at the rate of 65 miles per hour.

Q: 4 1 6. B = -8 %3D %3D -3 3 -1 2.

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Q: Kathy and Rhonda are BEST friends.  Kathy is ten years older than Rhonda.  The sum of their ages is…

A: Form the equation in one variable and simplify.

Q: Calculate 1+2+3+...+500 by finding and evaluating another expression that equals this sum. Explain…

A: Solve the following

Q: cost

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Q: together. After losing 5 marbles each, the product of the number of marbles they both have now is…

A: Introduction :

Q: How many multiples of 17 are greater than -50 and less than 50

A: We have to find number of multiples of 17 greater that -50 and less than 50.

Q: 13t - 7 - 10t = 2

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Q: The sum of 12 and r

A: Solution ) sum means addition So addition of 12 and r  = 12 + r

Q: What two numbers have a sum of -12

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Q: 6.2m-16.3+2.8m=5.7+10m

A: We are calculating the value of mBy taking of the m terms on the left-hand side and the other terms…

Q: Find B-A. 4 B = 7 3 A = 88 1 -1 B-A=

A:

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.