Suppose the probability of a randomly selected couple agrees to participate in a new natural childbirth regimen is 0.2. What is the probability that 15 couples must be asked to recruit 5 couples?

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

What is r i 4.5+10r=-6.5 with work pls

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?