Paul and Erin are playing a board game. The spinner has 4 colors on it. Paul needs to spin red two times in order to win. What is the probability that he spins red two times in a row?

The ages of five randomly chosen cars in a parking garage are determined to be 7, 9, 3, 4, and 6 years old. If one considers this sample of 5 in groups of 3, what is the probability of the population mean falling between 5.5 and 6.5 years?

What is the first step in solving the equation 4x + 2y = 5 for x?

Your local gas stations are having a price war. During the past 7 days they have lowered the price of regular gas by $.02 each day. Define a variable. Then write and solve an equation to find the total change in gas price. Show your work.

Complete the missing parts of the paragraph proof. We know that angle 1 is congruent to angle 3 and that line l is parallel to line m because. We see that is congruent to by the alternate interior angles theorem.

Alan needs 36 quarts of paint to paint the basement of his house. if 1 gallon is equal to 4 quarts, how many gallons of paint should alan buy?

The price of a notebook was $3.15 yesterday. today, the price rose to $3.40. find the percentage increase. round your answer to the nearest tenth of a percent.

What is the value of y in the equation 4y - 2 (1-y) = - 442

If Sarah had eight apples and she ate two apples how many apples did she eat

2 A change in the genes of a species over a long period of time.

An integer 3a5b can be divided by 5 and 6, what is the value of a + b.