Answer:
x=-2 and x=0
Step-by-step explanation:
5(x-2)^2 = 20; divide by 5 both sides
(x-2)^2 = 4; take the square root of both sides
(x-2) = ±2, now set it equal to positive 2 and negative 2
x-2 = 2
x=4
AND
x-2 = -2
x=0
Answer:
27.8%
Step-by-step explanation:

0.722 = 72.2%
The % reduction is:
(100-72.2)% = 27.8%
Hope this helps
<span>You're 9 miles ahead when the 2nd bike starts.
His speed wrt you is 3 mph (12-9).
9/3 = 3 hours
I hope i helped you
</span>
27 vehicles
3/5 x 45
5 goes into 45 9 times, 9x3= 27, therefore there are 27 minivans