A= (a+b)/2*h
A=(12+15)/2*5
A=(27/2)*5
A=13.5*5
A=67.5in
21 + 20 = 43
Total is 123, so divide by 43.
123/43 = 2.86 rounded to 3.
(females) 20 x 3 = 60 female lions
4x + 8 = -12 is the equation for this statement
Symbolically, write this:
C
7 5. Know how to evaluate that?
C stands for "combination."
-3^3=9
18-9+3•2
9+3•2
12•2
24
