For the sequence -28, -16, -4,8 the expression that defines the nth term where a = -28 is
12 - 28n
12 - 28(n-1
-28 + 12n
-28 + 12(n-1)
3.

answer:

-28 + 12(n-1)

step-by-step explanation:

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7  

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.