Which of the following proportions are true

1:4 = 2:5

6:9 = 10:12

5:11 = 15:30

2:7 = 4:14

Jessica has a jewelry box with a base of 18 square inches. the height is 7 inches. what is the volume of her jewelry box?

Rewrite the exponential function y = 12 (0.56) ^ (t/4). Round your answer to two decimal places.

A person randomly selects one of six envelopes. Each envelope contains a check that the person gets to keep. Determine the person's expectation if three envelopes contain a $533 check and three envelopes contain a $1039 check.

The Bears have won 7 and tied 2 of their last 13 games. They have not forfeited any games. Which ratio correctly compares their wins to losses? 7:13 13:7 4:7 7:4

The quotient of a number and 9 is the same as the difference of 14 and 8

That base of a square pyramid has side lengths of 9 inches. The height of the pyramid is 21 inches. What is the Volume of the pyramid?

48 out of 200 is what percent

Answer these questions for the poset ({2, 4, 6, 9, 12, 18, 27, 36, 48, 60, 72}, |). a) Find the maximal elements. b) Find the minimal elements. c) Is there a greatest element? d) Is there a least element? e) Find all upper bounds of {2, 9}.

There are 52 blades of grass in 2 in^2 of lawn. there are 580 blades of grass in 8 in^2 of the same lawn. which equation models the y blades of grass found in x in^2 of lawn? A) y=-88x-124 B) y=-88x+124 C) y=88x-124 D) y=88x+24

Given the following scenario, decide if it is a permutation or combination, and then calculate the possibilities. Papa John's pizza has 17 different toppings to choose from. In how many ways can you make a three topping pizza?