A toy bin contains 12 yellow balls,3 orange balls, and 5 white balls. what is the probability of selecting an orange or a white ball? A. 3/80

B. 3/20

C. 1/4

D. 2/5

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°