Which ratios form a proportion?

3/15, 12/55

8/24, 12/35

5/18, 25/90

4/11, 16/25

What ratio forms a proportion with 9/15?

6/10

16/21

36/50

45/70

Riddle: It's 7:00 AM. A) You are asleep and there is a sudden knock on the door. B) Behind the door are your parents who came to have breakfast. C) In your fridge are bread, milk (pasteurized), juice, and a jar of jam.

A farmer placed an order for 18 3/4 tons of fertilizer. He calculates that the corn fields will require 11 2/4 tons of it.

Linh buys two T-shirts for $12 each, a pair of shoes for $28, and a pair of jeans for $45. She has a coupon for 30 percent off her total purchase. There is no tax on her purchase. What is the final price that Linh pays?

What are the two numbers closest to 74 square

Find the slope and the y intercept of the line. - 5+y=12

Use the discriminant to describe the roots of each equation. Then select the best description. 7x2 + 3 = 8x double root real and rational root real and irrational root imaginary root

What percent of 75 is 18.75

What does - 2 (x+3) = 4x-3=?

Solve for t. 3t - 12 < - 3 and - 6t <12

17. Given: f (x) = 3x - 5, find f (-1) 18. Given: g (x) = - 5x + 2, find g (4)