(1 + v)(v - 7)
1*(v - 7) + v(v - 7)
1*v - 1*7 + v*v - v*7
v - 7 + v² - 7v
v² - 7v + v - 7
v² - 6v - 7
I hope this helps.
You will have to get the difference and get a common denominator but first combine the mixed number:

Then subtract the numbers

Angel took 5/12 hours longer than Chris
Answer: Direct proportion because as the time goes up the distance goes up
Answer:
2
Step-by-step explanation:
5-3 = 2
9-9 = 0
2/0 = 2
No
The exponent to the power 4 means multiply the base, which is 10 here, by itself 4 times
10 x 10 x 10 x 10 = 10,000
If it was 10 x 4, it would be 40, but we're dealing with exponents here.
:)