Step-by-step explanation:
7.5 is an answer because it is example of cantral angle bisector of circle
Answer:
x=-2
Step-by-step explanation:
x^2+4x+4 = 0
(x+2)(x+2) = 0
x+2=0
x=-2
Answer= $138.98
47.86-25.20+52.75-22.04-8.50+94.11=$138.98

d - distance
v - speed
t - time
Car A:

Car B:
15 mph faster than car A

Both cars traveled equal distances:

Car B traveled at the speed of 60 mph.