Answer:
Step-by-step explanation:
12) Decrease in miles = 22,250 - 14,500 = 7750 miles

= 34.83%
13) Decrease in speed = 40 - 25 = 15 mph

= 37.5%
Answer:
No, it is not prime.
Step-by-step explanation:
67^2 = 4489
A number cannot be prime if it is divisible by a number besides 1 and itself. 4489 is divisible by 67; no perfect square can be prime.
X equals 125 and y equals 55