Which formula can be used to describe the sequence?
-2, -55 - 103, -21.5, -42...

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

What signals you that factoring by grouping is the best method to use when factoring a problem?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items