In a sale there is 25% off all prices. A chair cost £45 in the sale. How much was it before the sale

Two numbers have a sum of 1,212 and a difference of 518. Which system of equations could we use to solve this problem?

A chemical company mixes pure water with their premium antifreeze solution to create an inexpensive antifreeze mixture. The premium antifreeze solution contains 85% pure antifreeze.

Study island geometric instructions key

Y = 3x^2 + 18x + 23 what is the range?

Write the improper fraction as an improper 6 4/13

What is 5 5/6 in decimal form

Mark has a basket of 40 yellow tennis balls and 35 white tennis balls. What is the probability that the next tennis ball he randomly chooses will be yellow?

There are two square roots of 25. Why is there only one answer for the radius of the button?

Explain how to complete the square for an expression of the form x2+bx .

What is the volume, in cubic ft, of a cylinder with a height of 17ft and a base radius of 5ft, to the nearest tenths place?