Which expressions are polynomials?

z + 1

y2-y√3+4

2x4-y

6 + w

The value, V (m), of a comic book m months after publication has a average rate of change of - 0.04 between m = 36 and m = 60. Which statement must be true? A.) The value of the comic book decreased by a total of $0.04 between m = 36 and m = 60. B.

If f (x) = x^2-15 and f (a) = 49, what is the value of a? Explain.

The product of - 3/8 and 2

I can not find the answer to this problem 4x+8=7.2+5x

Write a number in which the digit 7 is worth 70

What is the value of p? 3+17p=-32-11p

Given f (x) = x^2+3 and g (x) = x+5/x. Find (g o f) (4)

Noah currently has an account balance of $2,976.45. He opened the account 11 years ago with a deposit of $1,963.45. If the interest compounds quarterly, what is the interest rate on the account?

The drama club sold $779 worth of tickets to the school play. Student tickets cost $3 a piece and tickets for everyone else cost $5 each.

What is the answer o this eqaution 2 = x/2