Answer:
Step-by-step explanation:
B no b/c 7 miles is 12,320 yds and 40 times around route is only 9600 yds... keep running cyrus.. :P
First you need to multiple minus in second bracket, also in other side you need to multiple - 3 in bracket

Final answer is 0
Answer:
u = 10
Step-by-step explanation:
10 + 6u = 7u
10 = u
Just subtract 6u on both sides.
Answer:
y=-3x-6
Step-by-step explanation:
(-4,6)
M=-3
y=mx+b
Substitute:
6=-3(-4)+b
Solve for B:
6=12+b
b=-6
Substitute B:
y=-3x-6
If not this then substitute the different varibles
Sorry if not correct :)