12 ÷ 3 - 5(12) + 4(12 - 2)
= 4 - 60 + 4(10)
= -56 +40
= -16
The sum of length and width is half the perimeter, 160 yd. The length is the average of the sum and difference of dimensions:
.. (160 +20)/2 = 90
Then the width is 160 -90 = 70
The rectangular field is 70 yd by 90 yd.
Answer:
It would be undefined if the line is vertical.
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
C
Step-by-step explanation:
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