Please help! I attached the file below
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Plug in (-1, 3) into both equations
Ax - 2y = 4
A(-1) - 2(3) = 4
-A - 6 = 4 Add 6 on both sides
-A = 10 Divide -1 on both sides
A = -10
5x + By = -1
5(-1) + B(3) = -1
-5 + 3B = -1 Add 5 on both sides
3B = 4 Divide 3 on both side
B =
Assuming that 2000:1 is a ratio of unknown units to centimeters, we can use proportions to find the actual length of the organism.
x = 2000(5.6)
x = 11200
The actual length of the organism is 11,200 units.