I NEED TO PASS THIS COURSE

Which of the following expressions is a polynomial?

z2-1+z

z-2-1

5/y

7z-3+2

Given: ac and db are diameters. m∠3=

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2