Answer:
D is the contrapositive.
Step-by-step explanation:
Contrapositive of if A then B is if not B then not A
Let's say x is the amount of money Kelly saves. We do not know how many weeks she is saving. If she was saving for 2, then the equation would be x=5(2). However, she is saving by w weeks, so the equation is x=5w.
Answer:
The absolute maximum and minimum is
Step-by-step explanation:
We first check the critical points on the interior of the domain using the
first derivative test.


The only solution to this system of equations is the point (0, 4), which lies in the domain.


is a saddle point.
Boundary points - 
Along boundary 





Values of f(x) at these points.

Therefore, the absolute maximum and minimum is
Answer:
The answer is 10.
Step-by-step explanation:
There would be 10 players, 2 for each group, and if each player played every other player twice, then that would mean that 20 matches of chess were played.
Hope this helped!! (: