Simplify.
A. 
B. 
C. - 
D. 
Answer: D
Mathematics
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Write an equation to describe the variation. Use k for the constant of proportionality.q varies directly as r and inversely as the square of s.
A. q = 
B. q = 
C. q + r - s2 = k
D. qrs2 = k
Mathematics
Solve.The volume V of a gas varies inversely as the pressure P on it. The volume of a gas is 
under a pressure of 
What will be its volume under a pressure of 40 kg/cm2?
A. 125 cm3 B. 475 cm3 C. 113 cm3 D. 500 cm3
Mathematics
Perform the indicated operation and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = -5x2 - 10x + 4
A. (2, -36) B. (1, -11) C. (-2, -6) D. (-1, 9)
Mathematics