Write two ways to group and add 4+2+5.

Simplify these expression 45m divide by 5 22t x 4s 121x divide by 11 12p x 12r

A store has a sale on Books the price is 17.55 for one book 16.70 each for two books 15.85 for three books and $15 for four books if the pattern continues how much per book will it cost to buy seven books

Find the absolute value |7/10|

What is 5 less than 15 as an expression

A rectangle is inscribed in a square so that each vertex of the rectangle is located on one side of the square, and the sides of the rectangle are parallel to the diagonals of the square.

Factor the polynomial by its greatest common monomial factor. 9m3 - 27m=

What is the answer to this question x + x + y x y (the last x is a times sign)

Express the fraction 3/4, 7/16 and 5/8 with the LCD

a central angle measures 30 degrees and has an arc length of 20 inches. what is the radius of the circle

8. A graduating class decreases from 482 students to 398 students.