Expression equivalent to the distance between -13 and -4 on a number line

Find equation of line with slope equals 8 and passing through (6,53)

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Which of the following represents the range of the graph of f(x) below