Sylvia Baxter’s monthly net income is $3,275. She had the following yearly housing expenses: mortgage payments $7,524.82; insurance premiums $492; real estate taxes $3,489; water/sewer $264.50; electricity $576.98; telephone $456.72; and misc. repairs $2,300. What is her average monthly housing expense?

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18 units²

step-by-step explanation:

first let's find altitude bd using the distance formula

d = √((y₂ - y₁)² + (x₂ - x₁)²)

bd = √((0 - -3)² + (0 - 3)²)

bd = √18

given the placement of points a and c, we can denote that point d bisects segment ac.

we will call ac the base.

using the distance formula

ac = √((0 - 6)² + (-6 - 0)²)

ac = √72

knowing our base and our height, we can plug these into our triangle area formula

area = (b * h)/2

area = (√18 * √72) / 2

area = (√1296) / 2

area = 36 / 2

area = 18 units²

the answer for the second equation is (4,0)