EASY? KIND OF EASY IT'S GEOMETRY What is the measure of angle B if the two triangles are similar?

A. 35

B. 22

C. 113

D. 45

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

The sum of a number and 5 times the number is 18.find the number

Of the total number of spectators at a circus show, 1/4 are men. 2/5 of the remaining number of spectators are women. there are 132 women at the circus show. how many children are at the circus show?