Answer:
The net change is - $0.30
Step-by-step explanation:
3.5 - 3.7 = -.2
-.2 + 3.3 = 3.1
3.1 - 3.4 = -.3
Answer:
10v^2
Step-by-step explanation:
(I'm assuming the 2's are all exponents)
3v^2 - 2v^2 + 9v^2 <- think of it as 3 - 2 + 9 = 10, then add the rest back on
10v^2
Answer:
diameter = 8 miles
Step-by-step explanation:
Area of a circle = πr²
πr² = 50.24
3.14*r² = 50.24
r²= 
r² = 16
r² = 4²
r=√4²
r = 4 miles
diameter = 2 *radius = 2*4 = 8 miles