Answer:
x = -9, -3
Step-by-step explanation:


x = -3, -9
The answer to your question is D
Answer:
a
Step-by-step explanation:
the two lines intercept at 1,-2
Do six multiply fifteen which equals to 90
Each person should ride the bike for 4 miles, so that every one has to walk 8 miles and ride 4 miles.
If they had 2 bikes, each person will ride for 8 miles, 4 miles on each bike, and then walk 4 miles.