Jill was solving a system using the elimination method. After she added the equations together, she got 5=7.What does this mean for the system? Pls help!

Volume of a cylinder with a radius of 13 in and height of 30 in

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Which of the following pairs of functions are inverses of each other? o a. f(x)=x72+8 and 96-9 = 7/x+2) =8 o b. f(x)= 6(x - 2)+3 and g(x) - *#2-3 o c. $4) = 5(2)-3 and 90- 4*: 73 o d. f(x) = 6)-12 and 910 – +12