Solve the following system of equations by graphing to find the point of intersection. Round to the nearest tenth, if necessary.
y = 8x - 10
y = -4x + 20
a. (8,4)
b. (-10, 20)
C. (2.5, 10)
d. (10, 2.5)
Please select the best answer from the choices provided

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

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Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60