Pedro cut a sheet of poster board into 10 equal parts. his brother used some of the poster board and now 8/10 is left. pedro wants to make a sign from
each remaining part of the poster board. how many signs can he make?

Explain how you can use the associative property to evaluate (7x50)x4.

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Given that abcd is a rhombus, what is the value of x?