A rectangle has an area of 89 cm2. If the length of the rectangle is doubled and the width halved, what is its area, in cm2

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step-by-step explanation:

the answer is a) y= 2 csc [0.5 (x+pi/2)]-1

step-by-step explanation:

any of them that add up to 180 degrees.

the answer is  

d.

8 m

hope you got it down chief.