Answer:
there are four terms
Step-by-step explanation:
3x^2
2y
-4z
5
Answer:
C. 90ft²
Step-by-step explanation:
To find the area of a trapezoid, use the formula a = (b1 + b2)h ÷2
So when you put the numbers into the formula, you get (12 + 18) · 6 = 180 ÷ 2 = 90
Answer:
4√5, -4√5
Step-by-step explanation:
x^2 = 80
√x^2 = √80
x = 8.9 or 4√5