21. Attending a Conference The Sarasota City Council plans
to send 2 of its 8 members to a conference in Hawaii. How
many different ways can the 2 members be selected?

28

Step-by-step explanation:

So in order to get this answer you want to use the combination formula which is

Now you want to use the numbers given to you in the problem which is ₈C₂ and plug those into the equation

so your going to have something looking like this  now if you have a calculator nearby and you plug in ₈C₂ your going to get 28 which is the answer.

hope this somewhat helps.

$15 each

step-by-step explanation:

$45/3 children= $15 each

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

******************

this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years