Answer:
n+45
Step-by-step explanation:
Just name "a number" as n or any other variable
6. 40 minutes (15/3 = 5 minutes/mile) - 5*8 = 40 min
7. 15,840 ft / 5 = 3.168 ft
315 I think I hope this helps
The area of 3x5 face is used 4 times rather then twice
S=94in ^2
Remember, you take 1/2 of b and square it to get c
c=100
(b/2)^2=c
(b/2)^2=100
sqrt oth sides
b/2=+/-10
times both sides by 2
b=+/-20
it is 20 or -20
answe ris B
yo is right