Answer:
Each Eraser cost $3.50
Step-by-step explanation:



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Answer:
-5 x -12
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:

17. Area of triangle: 1/2bh
1/2 * 12 * 15
1/2 * 180
=90 cm^2
18. Area of trapezoid: 1/2 h (b1 + b2)
1/2 * 8 ( 12 + 15.4)
4 * 27.4
= 109.6 cm^2