A Plummer charges $35 per hour plus a $55 service charge if the Plummer bill was $160 how long was he at the house

What situation is an example of an observational study

X-intercept=-5 y-intercept=2 the equation of the line is

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?