I need the answer key of riddle time called why did the school cook become a history teacher?

Is - 8-2 (3+2n) + 7 equivalent to - 30-13n

What number is 30% of 80?

We want to use this information to determine if there is an effect of friendship. In other words, is the mean price when buying from a friend the same as (or different from) the mean price when buying from a stranger?

A father is 1 year younger than 3 times the age of his son. The son is 20 years old. Let F = the age of the father, what formula would calculate the fathers age?

The variable Z is inversely proportional to X. When X is 6, Z has the value 2. What is the value of Z when X = 13

A bottle of medicine contains 16 fluid ounces of medication. If one does of the medicine is equal to 1 teaspoon, and there are approximately 6 teaspoons in n ounce, what is the total number of does in the bottle?

There are three shopping preferences for a survey: mall, stand-alone store, and online. The paying preferences are store card, credit card, cash, gift card, and check. Assume equal probabilities within categories.

What are defined terms in geometry

the ratio of the length to the width of a rectangle is 8:3 if the rectangle is 32 cm wide, how long is it?

3x4 2y5 5z -3x3 6y2 2z