Which of the following terms could not be part of a polynomial expression?

(1) 7x

(3) - 3r?

(2) 8

(4) 6/x^3

Annie's reading class begins at 8:35 and lasts 1 hour and 45 minutes. What time is her reading class over? Show two different ways to find the answer.

Find the area of a square with side length 7/12 inch

A tool set is on sale for 424.15 dollars the original price of the tool set was $499.00 what percent of the original price is the sale price

The distance between the post office and the park on a map is 3.75 inches. Each quarter inch on the map represents 0.5 miles. The proportion shown can be used to find the distance between the post office and the park.

7x + 4 - 9r = 12r - 48 solve

Find two pairs of integers whose sum is - 6

9x - 6 + 3x > 42 I really need to have this answer i am stuck this!

What is the standard form and word form of (3 times 10) + (2 times 1) + (3 times 1 tenth) + (4 times 1 thousandths)

The difference of two numbers is 1 and the sum of their squares is 13. Find the numbers.

What are the common factors for 36 and 42?