Answer:
m=-12
Step-by-step explanation:
Not sure where the 8 comes from, but you would subtract 9 from the left side. The result is -12.
The answer is actually choice B. To solve for the area of a trapezoid, you would do the formula a+b/2 h.
Answer:
x = 25
Step-by-step explanation:
x + 25 + 2x - 10 + 90 = 180
3x + 105 = 180
3x = 75
x = 25
Answer:
it will cost $205.99 dollars
Step-by-step explanation: