Which expression is equivalent to 64 – x^2

(8 - x)(8 - x)
(8 - x)(8 +x)
(x - 3)(x - 8)
(X + 8)(x -8)

2.83941151 would be the answer you're looking for! : )

what "following statement"?

step-by-step explanation:

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.