3: m= 2, -3
4: x= -1, 5/2
5: x= -1, -3
6: x= 5/2, -4
2.998 correct me if wrong
L = 4 + w
perimeter = 38
38 = w + 4 + w
2w = 34
w = 17
L = 4 + 17
L = 21
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5625 m^2
If is is square, all sides must be congruent (all sides are 75m). To find area, you multiply width x length (how long). Therefore:
75m x 75m = 5626 m^2
