In triangle ABC AB is equals to AB and Angle B equal to 80 find the angle A

Solve the system of equations. y= 2x y= x^2 - 15

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Quadrilateral abcd is translated up and to the right, and then rotated about point q. which congruency statement is correct?