The frequency table below shows a students quiz scores. One data value in the table is missing. If the mean of the data set is 2.2, what is the score for the missing data item?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250