I agree with the other person that this is 25% error
193.75 divided by 15 = 12.9666....
So the average cost would be $12.96
Answer:

Step-by-step explanation:
The given equation is :
N=S(P-V)-F ...(1)
We need to solve the above equation for S.
Adding F both sides in equation (1)
N+F=S(P-V)-F+F
N+F=S(P-V)
Dividing both sides by (P-V). So,

So, the above is the expression for S.
A. 58/5= 11.6 mph
b. it take 1 hr to ride 11.6 miles
so in 3hrs he would travel 3 x 11.6=34.8mi
Answer: 14
Step-by-step explanation:
THIS IS CAKE! watch. it is simple as this. replace x with -2
-(-2)^{2} - 9(-2)
we get -4+18
the answer is 14