-7n^3 + 8 A) quadratic trinomial
B) cubic binomial
C) cubic monomial
D) constant trinomial

Can any one me with the answers to these questions asap?

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost

Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,