What is the probability that, by guessing at random, one can correctly guess the month of birth of a stranger? a. 1/12 b. 1/9 c. 1/6 d. 1/4

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Tan198=asin164=? how to solve this? ?