Answer:
X=-2
Step-by-step explanation:
The answer is 456 cubic units the formula is the one on the left
The formula for a rectangle is length*width=area. Since we know the area and the width, we plug it in to the formula, we get length*9=648.
l*9=648 is equivalent to l=648/9. Now we solve <span>l=648/9 and get l=72. SO the width is 72 inches. </span>
Step-by-step explanation:
Arrow JK=360-54-130-110=66
arrow MK=66+54=120
Angle L=120/2=60
3a=60
a=30
29 students have to be in the class. If 29 students each pay 2.75, they will raise up 79.75 dollars! :)