Find an equation of variation in which y varies inversely as x and the following is true.y = 0.25, when x = 16
A. y = 
B. y = 
C. y = 
D. y = 4x
Answer: C
Mathematics
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Simplify the power of i.i-22
A. -1 B. -i C. i D. 1
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 5 - x2
D. 
Mathematics
Solve the problem.An open box is to be constructed from a square sheet of plastic by removing a square of side 4 inches from each corner, and then turning up the sides. If the box must have a volume of 1,600 cubic inches, find the length of one side of the open box.
A. 19 in. B. 28 in. C. 24 in. D. 20 in.
Mathematics
Solve the equation.(x - 7)(x + 4) = 0
A. 7, 4 B. 7, -4 C. -7, 4 D. 7, -7, 4, -4
Mathematics