The only thing you could really do is reduce the exponent, so id say A. is the answer. Hope i helped :)

if you have already covered slopes, you could also get it that way, in fact is simpler that way.
Answer: b= -108
Step-by-step explanation:
-6=b/18
-6=b/2(3)^2
-18(6)=b
-108=b
b= -108
*<u><em>I hope that this makes sense :)</em></u>
Answer:
Roughly 1.3
Step-by-step explanation:
Since we know that a quarter of the way to her basketball practice is 1/3 a mile, we just multiply 1/3 by 4 times to get our answer.
1/3 * 4 = 1.33~
Since the argument of the sine function is x without any scaling factor, the period is 2π, the 1st selection.