What is the measure of ZRST?

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

Which function has the domain x> -11

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°