You can afford a $1050 per month mortgage payment. You've found a 30 year loan at 7% interest. a) How big of a loan can you afford? Round your answer to the nearest dollar.
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b) How much total money will you pay the loan company? Round your answer to the
nearest dollar.
C) How much of that money is interest? Round your answer to the nearest dollar.
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Step-by-step explanation:

For a loan value of 1, the monthly payment on a 30 year loan at 7% is ...

  A = (0.07/12)/(1 -(1 +0.07/12)^(-12·30)) ≈ 0.00665302495

Then the amount repaid after 360 payments is ...

  360A = 2.39508898 . . . times the principal amount

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a) For a monthly payment of $1050, the principal can be ...

  $1050/0.00665302495 ≈ $157,823

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b) The amount repaid to the loan company is ...

  $157,823×2.39508898 ≈ $378,000

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c) The amount that is interest is ...

  $378,000 -157,823 = $220,177

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4