The answer is HL. We know this because it is a right triangle (:
It's B because all the students that attended added together is 320 and 37.5 of 320 is 120
2(8-4)^2-5
16-32-5
-21
you can change the -10/2 to a -5 and it will be easier.
I would use subsitution
y=x-7
sub x-7 for every x
5x+2(x-7)=14
5x+2x-14=14
add 14 to both sides
7x=28
divide both sides by 7
x=4
sub
y=x-7
y=4-7
y=-3
x=4
y=-3
(4,-3)
The circumference would be 6 inches because you do 3 times 2
