If all the angles add up to 90 degrees then you can set the equation 7x-9*2x=90
Simplify
9x-9=90
Plus 9 both sides
9x=99
Divide by 9 on both sides
X=11
Answer:
<h2>1.46 x 10^5</h2>
Step-by-step explanation:
1/12 of the road left to build
The weight would be converted to 30 pounds on the moon