Ella and jake love to skateboard. They created a frame for the ramp and then covered it with wood.3 ft3\text{ ft}3 ft4 ft4\text{ ft}4 ft5 ft5\text{ ft}5 ft11 ft11\text{ ft}11 fthow much wood did it take to cover the ramp, including the bottom?Feet2^22

a

step-by-step explanation:

rurbrbrjrnrbjr

80 the answer is 80

step-by-step explanation:

the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct