Which expressions are polynomials?

Select each correct answer.

x2+5x15

-x2+5x

6x² + 5x

-7x2+53x

How long can a snake be

How to solve nonlinear equations using iteration method?

What is 446,221 rounded to the nearest ten thousands

The population density of a city is 121 residents per square mile. there are exactly 4,205 people that live in the city. what's the area of the city

C (n) = -6+5 (n-1) what is the 8th term in the sequence

What is half of 15 in simplest form

A sprinkler system on a farm rotates 140° and sprays water up to 35 meters. Find the area of the region that can be irrigated with the sprinkler. Round your answer to the nearest whole number

Brandy jogged 2 1/2 Mile in 30 minutes 3 1/2 miles in 3/4 hour who jogged at a slower rate

How do i turn 0.26 into a fraction

Jason's dad set the trip meter in their car to 0 miles as they left Jacksonville, Florida, on their way to Houston, Texas. When they stopped in New Orleans, Louisiana, Jason saw that the trip meter read 507.8 miles.