Which expressions are polynomials? Select each correct answer.

9x^2 (y/5)

4x^2 (y^5)

8x^2 (3y)

3y^2 (x^1/4)

Which expression is equivalent to 2.2-2.5?

Ok yo Radius of 23 feet. What is the circumference?

How long it's been since it was created

What arctic bird can be found in a bakery

Mike is starting a lawn-mowing business. He will charge a base fee of $20 plus $12 per hour. Write a function (equation) that could be used to represent the total fee, y, as a function for the number of hours, x.

Find all values of x such that sin 2x = sin x and 0 ≤ x ≤ 2π. (enter your answers as a comma-separated list.)

Which rectangular equation is equivalent to the polar equation r cos theta = - 2

How do I find the answer to 0.008 is 1/10 of

Write the following proportions using colons 7 is to 21 as 3 is to 9

With a tail wind, a plane traveled 840 miles in 3hrs. With the same wind as a head wind, the return trip took 30 minutes longer. Find the plane's airspeed (in still air) and the wind speed ... So lost smh