Which expressions is not a polynomial

A. 2/y

B. - 4x + 3y

C. 4 - x

D. p^2q - 3pq^2

What is the coefficient of the term 6/7xy (a fraction) ?

What are the roots of the equation? x2 (6x-11) (7x-8) = 0

Amelia stars reading at 3: 25 and reads for 15 minute. What type of angle is formed by the hour and minute hands of the clock wen Amelia fineshes reading

If you have two dots and one line in the middle

Richard wants to become a physical therapist. The number of years to get a degree as a physical therapist os six years. The annual salary is $70,000.

The Rodriguez family went to dinner at Pasta Palace. Mr. Rodriguez ordered a meal for $6.25; Mrs. R ordered a meal for $7.50; the 2 children ordered individual pizzas for $4.99 each. The sales tax rate was 7.25% and they left a 15% tip.

If people blink about 13 times per minute, how many times do they blink in 7 hours?

Shawn made fudge brownies and peanut butter brownies. Each batch of fudge brownies makes 9 pans. Each batch of peanut butter brownies makes 7 pans. Shawn made 13 batches and ended up with 97 pans of brownies.

Twelve cubic inches of soda are left in a can that holds 20 cubic inches. What percent of the soda has been drunk? What percent of the soda is left in the can?

Is it true that (x+4) = x² + 16? Explain.