What expressions that are equivalent to
-2(5x – 1) + 7(5x – 1) – 3(-52 + 1)?

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°