Answer:
7
Step-by-step explanation:
32 - 2 = 30
30 - 2 = 28
From those 28 left that Sarah has left, divide by 4 to get 7 in each group remaining.
Answer:
B, 
Step-by-step explanation:
Diagonals of a square are congruent so AC= 4
using pythagorean theorem we can then do
=

Then for perimeter we times the
by 4 and get

Hope this helps and please mark brainliest!!
Answer:
Step-by-step explanation:
10n^2 +4n+15n+6 [Add the like terms]
10n^2 +19n +6
Hope this helps!
Mark brainliest if you think i helped! Would really appreciate!
Answer:
x = 17.9
Step-by-step explanation:

Answer:
A = ((a+b)/2)h
Step-by-step explanation:
a and b are base (the top and bottom)
h is height