Question 6 of 10 Which of the following are not polynomials?
A. + x2 + 2x + 12
B. x2 + x + 1
c. 3+*+
D. ?**+*+1
Ex+1
Please please help me

20 points! asap! a is known to be 6,500 feet above sea level; ab = 600 feet. the angle at a looking up at p is 20°. the angle at b looking up at p is 35°. how far above sea level is the peak p? find the height of the mountain peak to the nearest foot. height above sea level =

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)