Use synthetic division and the Remainder Theorem to find P(a).
P(x)= x^4+ x^3- 5x^2 + 9x-6; a=3

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°