1. d = 4 + c , d = 1/4c , d = 2c , d = 4c (whats the correct answer) 2. f = 1/8s, f = 4s, f = s + 8, f = 8s (what's the correct answer)
3. 1/5, 1, 5, 15, (what's the correct answer?)

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

How many $20 bills do you need to have to make $280