A polynomial is a perfect square trinomial if in form

a^2x^2-2ab+b^2

look at each

we can eliminate A and B since we have -b^2 not +b^2

look at the rest

C. 5^2b-3*5*b+3^2
nope

D. 4^2x^2-2*4*3x+3^3
yes

answe is D (factors to (4x-9)^2)

8 0

3 years ago

carly has a piece of yarn that is 7.2 yards long. she needs to cut the yarn into pieces of fridge that each measur 0.3 yard long

SVEN [57.7K]

24 times evenly
7.2 / 3

4 0

3 years ago

The cheer squad is ordering small towels to throw into the stands at the next pep rally. The printing company has quoted the fol

Nimfa-mama [501]

Answer: C

5x,0<x<20

C(x)={3x+100, x>20

9 0

3 years ago