The quantities x and y are proportional Find the constant of proportional (r) in the equation y=rx

x y

11 1 2/9

21 2 1/3

45 5

The formula for the area of a rhombus is A = d1d2, where d1 and d2 are the lengths of the diagonals. Which are equivalent equations? Check all that apply. d1 = 2Ad2 d1 = d2 = d2 = d2 = 2Ad1

Describe the process you would use to find the solution to the problem 3 1/4 1 1/3 -. Express your answer numerically and with a graphical representation.

Simplify 4 (x + 7) - 7x + 2.

There are a total of 25 students in class. 60% of the students are in band. How many students are in band?

Which correlation is used to measure and describe monotonic relationships when both variables are ranks from an ordinal score or have been transformed to ranks?

To serve 1 person at a local restaurant, it takes 10 minutes. To serve 5 people, it takes 18 minutes. Write and solve an equation to find the number of minutes it will take to serve a party of 8

If the ratio is of marbles is 2:3 and 2 represents green marbles, 3 represents yellow marbles what percent of marbles of are green?

What is the surface area of the right cone below? 14 8 A. 176units2 B. 224units2 C. 167units2 D. 896units2

A market has a total of 14 baskets of apples. Each basket contains red, yellow, and green apples. There are 36 apples in each basket. The market has a total of 225 red apples and 120 yellow apples. How many green apples does the market have?

If f (5) and the equation is f (x) = x to the2nd power + 2x