Can someone please help me answer these questions ASAP? I will mark brainliest. I really need this to get done but I wasn’t in class when the teacher was explaining how to do these.

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount

The daily production of a company is modeled by the function p = -w^2 + 75w - 1200. the daily production, p, is dependent on the number of workers (w) present. if the break-even point is when p=0, what are the least and greatest number of workers the company must have present each day in order to break even? 50 points! will give brainliest!