Answer:
simple interest
Step-by-step explanation:
A
4(x+3)+3(5-x)
=4x+12+15-3x
=x+27
pretty sure its -2,3 :)
Perimeter is the distance around the outside.
A square has 4 equal sides:
Perimeter = 21 x 4 = 84 yards
42
5
-17, -17, -16 ,-9, 3, 7 ,7, 17, 17, 18
median ( middle number): (3+7)/2= 10/2= 5
