How many counting numbers are between 30 and 65, not including 30 and 65?

Ten times the square of a non-zero number is eqaul to ninety times the number

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square