Free points 2+2= what boizs

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Is there an x intercept in the equation 60*1.15^x