The price of a gallon of gasoline was $1.65. the price rose y dollars then the price dropped $0.15 and later rose again by $0.45. now the price of gasoline is?

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?