Four sisters bought a present for their father. they received a 10% discount on the original price of the gift. after the discount was taken, each sister paid $9.00. what was the original price of the gift?

What is the slope of the line that contains the points (-2,1) and (0,-3)

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.

Item 1 which question could the expression 1000n answer? let n = the number of gallons of gas used. how many miles per gallon did the car get driving 1000 miles? let n = the number of grams of food needed for each dog. how many grams of food are needed to feed 1000 dogs? let n = the number of people at the show. how many empty seats were there at the show if there are 1000 seats at the theater? let n = the number of seats at the theater. how many empty seats will there by if 1000 people come to the show?