Find the average mark
10,15,12,18,22,25,30,27,40,21

What is the probability of rolling a single die greater than 4

Triangle knm is what is true about the sides of knm

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°