The rectangle below has an area of x^2-x-72x 2 −x−72x, squared, minus, x, minus, 72 square meters and a length of x+8x+8x, plus, 8 meters for khan academy

b = -1

ac = -72

What are two factors of -72 that add up to -1? One is 8. The other must be -9.

x2 - x - 72 = (x + 8)(x - 9)

The width is x - 9 meters.

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Step-by-step explanation:

9.55 degrees.

step-by-step explanation:

the given angle is

1 cycle is equal to 2π radians. so 4π will be equal to two cycles.

5.166667π-4π = 1.166667π

hence, this angle goes a little more than negative x axis.

1.166667π-π= 0.166667π

hence, the reference angle is 0.166667π radians.

1 radian = 57.2958 degrees

now, in degrees, this should be equals to 9.55 degrees.