Answer:
1607.68 square miles
Step-by-step explanation:
use pi r squared
diameter = 64 miles
r =64/2 = 32 miles
Area of semicircle = πr²/2
= 3.14*32*32/2
= 1607.68 sq.miles
x = 2
150 meters
7
12-(-3)-2(4)
12-(-3)-8
15-8=7
