There are 12 steps in the staircase. Find the distance from point a to point b

Evaluate the expression. (9 + 5)(3 + 2)0

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Which of the following is an example of conditional probability