1. Suppose you have made 3 block towers: one 3 blocks tall, one 6 blocks tall, and one 2 blocks tall. Describe some ways to make 2 more towers so that there is an average of 4 blocks in all 5 towers. Explain your reasoning 2. If you run 3 miles every day for 5 days, how many miles will you need to run on the sixth day in order to have run an average of 4 miles per day over the 6 days? Solve this problem in two different ways, and explain your solutions 3. The mean of 3 numbers is 37. A fourth number, 41, is included in the list. What is the mean of the 4 numbers? Explain your reasoning Explain how you can quickly calculate the average of the following list of test scores without adding the numbers: 4. 81, 78, 79, 82

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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.