There are two bookcases against a wall. If one takes up 4/7 of the wall and the other takes up 2/8 of the wall, how much of the wall is covered by bookcases?

A watering can dispenses water at a rate of 0.15 gallon per minute. The original volume of water in the can was 5 gallons.

Sutton ran r laps today at soccer practice. Nellie ran five fewer laps than Sutton. If Nellie ran eight laps at practice, which of the following equations could be used to find how many laps Sutton ran? A. r - 5 = 8 B. r + 5 = 8 C. r = 8 - 5 D.

What is the value of the expression? 34 + 7 • 62

In a class of 20 students the average age of all the students is 16 years. The oldest student exactly 16 year old. What us the average of the youngest student.

You leave your house with 30 dollars. You spend an unknown amount of money on food and then spend 10 dollars on a movie. If you count that you have 5 dollars left, how much money did you spend on food?

If f (x) = x^2 - 1 and g (x) = 2x - 3, what is the domain of (fog) (x) ? (-infinity, infinity) [-1, infinity) [-5, infinity) (infinity,-infinity)

What term references a period of economic growth measured by a rise in the GDP?

Write an explicit formula formula for the sequence 2, 8, 14, 20, 26, ... a. a_n = 2n-2 b. a_n = 2n+2 c. a_n=4n+2 d. a_n = 6n-4

There is an 80% chance David will eat a healthy breakfast and a 25% chance that it will rain. If these events are independent, what is the probability that David will eat a healthy breakfast or that it will rain?

How do you wire 0.52 in words