Simplify. 9 (x+3) + 15x

A person whose foot length is 10 inches is 67 inches tall. A human-like creature has a foot length of 35 inches. Use a proportion to find the height of the creature.

The population of grovestown was 4200. It dropped 80 each year for 6 yr. What was the population after 6 yr.?

Soloman pays a flat $10 fee and $0.25 per text message. Which of the following is the correct linear model to fit this data? Number of text messages (t) 8, 16, 20, 72 Bill amount (b) $12, $14, $25, $28 A. b=10t+0.25 B. b=8t+12 C. b=12t-8 D. b = 0.

At the candy store there are 2,369 jelly beans in a jar. One - fourth of the jelly bean are green. About how many are green?

The function f (x) = 0.11 x + 43 relates how much derek pays for phone service, f (x), to the number of minutes, x, used for international calls in a month. what is the value and meaning of f (320) ?

P (9, 4) = 3024 126 15,120 362,880

You have 104 apples. There are 8 bags full of the same amount of apples. How many apples are in each bag?

Which percent is equivalent to 1/20

I am currently learning Complex Numbers, and I know nothing. so any info on this?

Rue or false? using the regression equation to make predictions for values of the predictor variable outside the range of the observed values of the predictor variable is risky and unreliable.