Solve the system by substitution or elimination. {-x+y=22x+y=-1

4.2 times 7.5 with explanation

Solve for n. Np3=17 (nP2)

Q. You are carpeting a boardroom which measures 16 feet by 14.5 feet with a carpet that costs $18.50 per square foot of finished space. How much will the carpet flooring cost? A. $232 B. $4,144 C. $4,292 D. $4,322

Find the value of - |-5|

What is a ratio of $156 of 5:2

4x-4=4x + what equals no values of x

Rena spent 6 days reading her book completing the same fraction of the book each day, she read a total of 8/9 of her book what fraction of her book did she complete in 6 days?

Find a 15% tip on a restaurant bill of $32.60.

Mr. Ricketts is randomly distributing 25 hot chocolates and 20 iced coffees to his fellow board members. What is the probability that the first cup he hands out will be hot chocolate and the second cup will be an iced coffee

an equilateral is a 3-sided plygon in which all sides have the same length. Write a formula for the perimeter, P, of an equilateral triangle whos perimeter is 72 inches.