Answer:
92∘
Step-by-step explanation:
Supplementary angles combine to create a straight angle. So, they have a sum of 180.
∠x + ∠y
∠x + 88 --------------> 180
=92∘
It's 21 square units. If you map it on a complex plane (x-axis is real numbers, y-axis is imaginary numbers) you'll see that the sides of the rectangle is 3 and 7 which multiply to 21.
Answer:4/3x²+8x−20
Step-by-step explanation:Combine Like Terms:
=x+
4
3
x2+7x+−20
=(
4
3
x2)+(x+7x)+(−20)
=
4
3
x2+8x+−20
