An angle is a right angle if and only if the measure of the angle is 90°. true or false?

Which value would be a solution for x in the inequality 47-4x< 7

Multiplying fractions by whole number 5 x 1/3=?

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?