Which polynomial is a quintic binomial?
a. x^4 + 2x^3 − x^2 + 7x + 11
b. x^2 + 4x
c. 3x^5 + 2
d. 5x^2 − 2x + 1

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

For what type of equity loan are you lent a lump sum, which is to be paid within a certain period of time? a. a line of credit b. equity c. a second mortgage d. an amortization

Precalculus question, image attached.