Which of this expressions is not a polynomial

A. - x^2-3x-5

B. 21+x+2x^2+11x^3

C. 2/3x^7+5/7x^2

D. - 2x^1/2+12x+5

Which of the following bikers is traveling at a faster rate? Explain or show how you got your answer. Brook rode her bike 7 miles in 30 minutes. Joshua rode his bike 25 miles in 2 hours.

What is the remainder when you divide 4x^3 - 5x^2 + 3x - 1 by x - 2? A) - 59 B) - 1 C) 2 D) 17

You planted 488 acres of corn last season. you sold all your corn: 8,120 bushels in August and 64,100 bushels in September. what is your yield pet acre, rounded to the nearest bushel per acre

The probability that a randomly selected box of a certain type of cereal has a particular prize is 0.1. Suppose you purchase box after box until you have obtained three of these prizes.

Equation for the line that passes through (-4,-2) and that is parallel to the line with the equation y=-4

Lita estimates she will read 24 books during the summer. She actually reads 9 books. what is the percent error of her estimate?

We mathematical induction to prove the statement is true for all positive integers n. 8+16+24 + ... + 8n=4n (n+1)

How do we know that it's a parallel line

The Rivera family drove 267.9 miles from their home to Cape Cod, Massachusetts. They used 9.5 gallons of gas. How many miles per gallon of gas did they get on the trip?

What is the product? - 3 4 2 - 5 3 - 2 1 0