What is the equation of the line that haas the x-intercept of -5?

a.) x= -5
b.) x= 5
c.) y= x - 5
d.) y= -x + 5

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?