Which of the following expressions is a polynomial? A. F(x)= -3x^4+8x^2-2 square root x+1 B. F(x) -2.1x^7+3x^2+17/2x C. F(x)= 4/x-11x^2 D. F(x)= -1/5x^2+4.5x+2^x

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

What is 1/3x5 on anuber line what does it look like on a number line