Ralph is 3 times as old as sara. in 6 years, ralph will be only twice as old as sara will be then. find ralph's age now. if x represents sarah's age now, which of the following expressions represents ralph's age in six years ? 2 x 6 x 2 x + 6 3 x + 6

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

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?

Factor the polynomial expression x6 – x3 – 20