<span> 15n - 18 = 3(5n - 6)
hope it helps</span>
Answer:

Step-by-step explanation:
Hope this helps
Answer:
The area and circumference is/are both 4π
Step-by-step explanation:
Formula for the circumference: 2πr
Formula for the area: πr²
2×π×2=4π
The circumference is 4π
π×2²= 4π
The area is 4π
3x+3=9
x=2
that way the answer is 9
Answer: Choice B) The graph opens downThe negative 'a' value means the parabola opens downward. One way to remember it is that the positive 'a' value means "happy face" or "smile", and a negative 'a' value means "frowny face".
See the image attachment and note the color coding of the graphs.