The ratio of two numbers is 1 to 5, and the sum of the numbers is 36. what is the smaller number?

Acharity is conducting a raffle, and it sells one ticket each to 35 women and 21 men. if 5 winners are randomly selected, what is the probability that they are all men? round to five decimal places. 0.00533 0.06268 0.09537 0.07776

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

Find the value of x for which line a is parallel to line b