2(x - 4) + 7(x + 4)
(2x - 2 • 4) + (7x + 7 • 4)
9x + 20
Answer:
3L
Step-by-step explanation:
<em>Perimeter is the sum of side lengths</em>
Since the triangle is equilateral, it has all sides equal and each has length of L
<u>So perimeter is:</u>
We don't know the amount they get but the equation would be Claire 5 + a
Answer:
D.
Step-by-step explanation:
Multiply the like terms:
When you multiply exponents, you have to add the exponents.
