How does 13 become 39

What is the missing length if the total is 16x-7 3x-5 + 4x+1. (has to equal 16x-7)

The weights of grapefruits of a certain variety are approximately normally distributed with a mean of 1 pound and a standard deviation of 0.12 pounds. use scenario 6-9.

last year Jim had $10,000 to invest. he invested some of it in an account that paid 7% simple interest per year and he invested the rest in an account that paid 6% simple interest per year.

What does 7 (x+1/7) equal

The difference of 17and 5 tines a number

Simplify in standard form 10a (-6a^2+2a-7)

luis has 10 pink, 12orange, 8 reds, and 6 purple marbles if he randomly takes 1 marble what is the probability he pulls out a red marble

Are 14.2 gal and 7 gal the same precise measurement

Find the first five term of the sequence whose nth term is given by the fallowing-4n-3

Write a problem that involves changing kilograms to grams. explain how to find the solution.