Answer:
c=-5/2-d/2.
Step-by-step explanation:
A group of k elements can be chosen from a group of n elements in

ways.

There are 20 different 3-member groups.
Answer:
Mas não reconhecida como a face da sua vida
I can’t see the whole question, but I’m guessing that the 2,50$ is for every km of minutes or whatever.
So I would answer A 2.50x + 5 because you have to pay 5$ for sure and the rest depends on the value of x to know how much more you’re going to pay!
I hope this helped, if there’s anything just let me know! ☻
Answer:
.50
.25
3.33
.14
Step-by-step explanation:
hope this helps