Which expressions are polynomials?

Select each correct answer.

x2+5x15

-x2+5x

6x² + 5x

-7x2+53x

Given that 1 in. = 2.54 cm exactly, indicate what conversion factor is appropriate to convert 12.4 in. to centimeters.

Eight more than the quotient of a number and - 5 is less than or equal to 6

Can you estimate 7533

Tien is making 5-letter security codes using only the letters M, N, P, Q, and R. She arranges the letters in a different order for each code, using every letter exactly once within each code. How many different codes can she make?

The grocery store sells bacon for $5.30 per pound. Write a function to represent the situation.

Which is the same as 7/3? Which is the same as 73? CLEAR CHECK 7:13 3:7 17 of 3 7 divided by 3

Two brothers open a clinic in Kenya. In its first year, the clinic served 20,000 patients at a total cost of $100,000. What is the average amount of money that the clinic spent on each patient?

Bala earned $42,000 last year working at the store. He also earned $3,433.52 delivering newspapers. How much did Bala earn last year?

If 5 pizzas cost $70 how much will pizzas cost?

What is 7 2/5 - 5 2/3