Answer: y-7 = 4(x+3), choice B
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Point slope form is generally
y-y1 = m(x-x1)
we have m as the slope and (x1,y1) as the point this line goes through. In this case,
m = 4
(x1,y1) = (-3,7) so x1 = -3 and y1 = 7
So,
y-y1 = m(x-x1)
y - 7 = 4(x - (-3))
y - 7 = 4(x + 3)
which is why choice B is the answer
Answer and Step-by-step explanation:
What does ^2 mean? Well, first let's find out what ^ means, this is "squaring". So, ^2 means two is squared by another number. Such as 6^2. Six is squared by two.
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Answer:
She exercises for 4.5 hours during these 6 days.
Step-by-step explanation:
In this question:
Each day, she exercises 3/4 of an hour a day.
In 6 days, she will have exercised for:

She exercises for 4.5 hours during these 6 days.
Answer:
2.9 miles
Step-by-step explanation:
If she ran a total of 6.1 miles then you just do 6.1 - 3.2 = 2.9 miles