Well x^2+10x-3 is a quadratic so we are looking for its lowest point (minimum). If you graph it the answer is (-5, -28) so A. You can do it algebraicallly (x+5)=0. X=-5 and look at -28 for y. Either way you get A as the local minimum/ lowest point of graph.
The last bc the + and - are different that means it will be subtracted.
Answer:
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Step-by-step explanation:
Answer:
it will take 7 nights
Step-by-step explanation:
All you would do is multiply .9 by 20
.9*20=18
90% of 20 is 18