Don’t give me a website pls Just say a b c or d

What is the axis of symmetry of the following function?
f(x) = (x – 7)+3

A. x=0

B. x=-1/2

C. x=7

D. x=-7

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

How do i take any fraction and make it into a decimal or percentage?