2(a+3)+3(2a-1)
=2a+6+6a-3
=8a+3
Narrowing it down it's either a or c because the other 2 choices open downward (negative a).
Graphing the 2 parabolas choice c is narrower.
c
Answer:
80 ft
Step-by-step explanation:
Perimeter is adding the lengths of all the sides.
Is this a simultaneous equation question?
