Rhianna and sauron a wrote 35 songs . they mad cds with 7 songs on each cd. how many cds did they have left after they sold 3 to their friends .?

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

What is the gcf of 20c^3-5c^4+30c^6

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21