Simplify the following expressi

a) 3x + 2 - 7y + x + 2y -

b) 2a + b + a + 3b

c) 4m + 7n + 5m - 5n

d) 2x2y + 5xy2 + 3x2y - 2

e) x2 + x + 2x2

Solution

which ordered pairs are a solution to the equation? y=6-2 * select all that apply (-1,2) (-1,8) (-2,6) (1,4)

Evaluate the function : f (x) = 2x-5 for f (-4)

Tim has 74 socks, all in pairs. He has 1 more pair of white socks than black socks. How many individual socks of each color does he have?

The radius of a soccer ball is 4 inches. Approximately what volume of air can it hold? Use 3.14 for Round to the nearest tenth of a cubic inch. Recall the formula

The drama club hosted a one act play competition. The given table shows the number of student tickets and the number of adult tickets that were sold each night, along with the total sales.

If BC = 4.5, CD = 7.7, and AD = 16.7, find AB to the nearest tenth.

4.5 mi/h = _ ft/sec, how would one convert them?

Which system of equations has the same solution as the system below? 3x + 3y = 8 2x - y = 5

Which of the following activities are examples of data gathering? Check all that apply. A. Finding the mean weight of cancer patients in a study B. Graphing the heights of trees C. Asking voters whom they will vote for D.

For the numerator to have (x-8) as a factor, it's constant term must be what