16. would be C since they both consist of the same variable to the same power
17. x-2x+7-9+4x
c. 3x-2
18. -4(3a-5). You would multiply -4 by 3 a, and -4 by -5. It turns to
-4(3a)-4(-5)
a. -12a+20
Hey!
Hope this Helps...
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Below, I added what the graph of (x^2)-2 looks like...
The answer is A. (0, -2); Minimum
Answer:

Step-by-step explanation:
This question is illustrated using the attachment and will be solved using cosine formula

<em>Let the strawberry side be s, the Green beans be b and the pumpkins be p.</em>
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The cosine formula in this case is:

Where



The equation becomes



Collect Like Terms


Using quadratic formula:

Where







or 
or 
or 
But length can not be negative.
So:

Answer:
the difference is 2 minutes
Step-by-step explanation:
is that -4 1/2???? cause then it would be -2
Answer:
23.8 Miles in 7 days
Step-by-step explanation: