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
Answer: A
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Provide an appropriate response.The set of grades from different classes is recorded. In the first class, the mean is 80 and the standard deviation is 2. In the second class, the mean is 70 and the standard deviation is 5. In the third class, the mean is 72 and the standard deviation is 4. In which class are the grades most dispersed?
A. First class B. Third class C. Second class
Find f(x) at the indicated value of x.f(x) = -4x2 - 5x + 10, x = 3
A. -41 B. -51 C. -17 D. -45
Solve the following system by any appropriate method. If there is no real number solution, so state.3x2 - 3y2 = -152x2 + 4y2 = 44
A. (2, -3), (2, 3) B. (2, 3), (3, 2), (-2, -3), (-3, -2) C. (2, 3), (2, -3), (-2, 3), (-2, -3) D. (-2, -3), (-3, -2)
Solve the problem.A cereal factory has weekly fixed costs of $27,000. It costs $1.25 to produce each box of cereal. A box of cereal sells for $4.15. Find the rule of the profit function p(x) that gives the total weekly profit from x boxes of cereal.
A. p(x) = 2.9x B. p(x) = 2.9 + 27,000x C. p(x) = 2.9x - 27,000 D. p(x) = 4.15x - 27,000