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 30 kg/cm2?
A. 132 cm3
B. 221 cm3
C. 245 cm3
D. 145 cm3
Answer: A
Mathematics
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Evaluate the integral.
A. 1 B. 4 C. 2 D. 8
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Solve the equation and check the solution.-0.25(60) = 0.4x - 0.3(60 + x)
A. x = 15 B. x = 40 C. x = 30 D. x = 20
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Combine like terms.3x - 4y - 2 + 5x
A. 2xy B. 8x - 4y C. 8x - 4y - 2 D. 8x - 6y
Mathematics
Given f(x) and g(x), find the indicated composition.f(x) = 
; g(x) = x - 6Find (f ? g)(x).
A. (f ? g)(x) = 
B. (f ? g)(x) = 
C. (f ? g)(x) = 
2
D. (f ? g)(x) = 
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Mathematics