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?

Which of the following is true for the relation f(x)=2x^2+1

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?