The elevator in the Washington monument takes 75 seconds to travel 500 feet to the top floor. What is the speed the elevator in miles per hour? Give your answer to two significant digits.

The sum of the angle measures of any triangle is 180 degrees. Suppose that one angle in a triangle has a degree measure of 6x+7 and another has a degree measure of 10x-3 . Write an expression for the degree measure of the third angle in the triangle.

1. Which of the following is a binomial? A 5b2 + 3b - 8 B-2x} + 14x=1 C - 9a - 15 D-v3 + 4uv+'lly - 1

A test has a mean of 80 and standard deviation of 4. what score would be 1 deviation from the mean

Noelle and karina both leave the Internet cafe at the same time, but in opposite directions. If karina travels 9 mph faster than noelle and after 8 hours they are 232 miles apart, how fast is each traveling?

Sid and Libby are planning to sell pies at a local fair. They spend $200 to rent a table at the fair. Their costs for ingredients, other supplies, baking, and packaging are $3.00 per pie. Sid and Libby plan to sell the pies for $8 each.

On a number line, M is at 0 and N is at 9. What is the coordinate of P, which is 2/3 of the way from M to N

The ratio of people who walk home from school to people who ride the bus home is 2:7 The number of bus riders is how many times the number of walkers

Y=-2x-1 slope intercept graph

Simplify 5 - (-1) 6 -6 4 -4

In your own words, define "like terms".