Prove that the value of the expression (2^10+2^8)(2^5–2^3) is divisible by 60.

PLS HELP URGENT

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°