Answer:
32.
Step-by-step explanation:
Average speed=(total distance traveled)/(total time of travel)
average speed=(120+48)/3
average speed=56 mph
Answer:
ok
Step-by-step explanation:
N^2-3n-4=0
(n-4)(n+1)
-4+1=-3
-4*1=-4
n-4=0
n=4
n+1=0
n=-1
Final answers: x=-1, x=4
Answer:

Step-by-step explanation:
see below, if you have any questions leave a comment