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What is the area of this trapezoid?

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units2

answer:Area of a Trapezoid, A = [(a+b)/2] · h

Where,

a and b are the respective bases of the trapezoid

h is the height of the trapezoid

a = 10

b = 7 + 10 + 10 = 24

h = 9

A = [(a+b)/2] · h

A = [(10 + 24)/2] · 9

A = [(34)/2] * 9

A = 17 * 9

A = 153 Units² 

Step-by-step explanation:

a) y = -3x +2

b) y = 1/2x -6

these 2 can be combined into one equation.

-3x +2 = .5x -6

8 = 3.5x

x = 8 / 3.5 = 2.2857142857

y = -3 * (8 / 3.5) +2

y = (-24 / 3.5) + 2

y = -4.8571428571

step-by-step explanation:

y=-2.5x+12.5

step-by-step explanation:

5y=2x+10

y=0.4x+2

slope=-2.5

5=-2.5*3+b

b=12.5