Answer:
Step-by-step explanation:
hello :
y = x² + 12x + 5
y = ( x²+12x+36) -36+5
y= (x+6)²-31.......vertex form when the minimum possible value is : - 31
5x - 10y = -40
-10y = -40 - 5x
y = -40 - 5x / -10
Add all the hours from Monday to Wednesday after that you subtract the total from the overall hours
1.58 hours or about an hour and a half. hope this helps :)
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Explanation:</h2><h2>
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In this problem, we know that Harry saved $100 each week for 8 weeks. In other words, he saved a total amount of money:

We know that he earned $48 on his savings of $800, so for every $100 the interest (I) he earns is:

So, in conclusion Harry did earn $6 in interest for every $100