Answer:
Step-by-step explanation:
To put the equation into vertex form, we need to complete the square

This is in the form

So, the vertex is (2, -5)
and 
40 miles an hour and yeah..
Answer:
13+21
Step-by-step explanation:
Remember this, two negatives equals a positive.
As a result, the answer is 13+21
<span>Convert 35 mi/h to km/h
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I mean, there is no decimal place, so you can’t determine to the nearest hundredth place.
For the hundreds place, it would round to 100, though.