I need to know the sides of the trapezoid in order to find the perimeter
Answer:
a = 15
Step-by-step explanation:
This is your given:

You are going to want to get a alone to get what a equals.

Multiply 3 on both sides to get the a alone

Hydroelectricity because it is a renewable resource of water usage whereas the other 3 are just different forms of nonreneable forms of energy meaning they take millions of years for us to get them back
Neither ! X= -9/4 and Y=9