Solve for the requested variable.y varies directly as x and inversely as the square root of w, and y = 15 when 
and 
. Find y when 
and 
A. y = 
B. y = 10
C. y = 
D. y = 40
Answer: C
Mathematics
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Simplify. Assume that all variables represent positive numbers.
A. 5
B. 12
C. 6
D. 30
Mathematics
Write the perimeter of the rectangle as a simplified polynomial. Then factor this polynomial completely.
A. 15x2(x + 2)(x + 4) B. 30x(x + 2)(x + 4) C. 15x(x + 8)(x + 6) D. 30(x2 + 2)(x + 4)
Mathematics
Multiply.0.0057
A. 0.002109 B. 0.02109 C. 0.2109 D. 0.0002109
Mathematics
Solve the equation by completing the square.7x2 - 2x - 4 = 0
A. 
B. 
C. 
D. 
Mathematics