Multiply the monomials. Assume any variable exponents represent whole numbers.(12x5y7z)(-9x2yz3)
A. 3x10y7z3
B. 3x7y8z4
C. -108x7y8z4
D. -108x10y7z3
Answer: C
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The line graph shows the costs of a 30-second television spot (in thousands of dollars) during the Super Bowl from 1995 to 2005.
Estimate the increase in the cost of a 30-second spot from the Super Bowl in 1998 to the Super Bowl in 2001.
A. 400 thousand dollars B. 1,600 thousand dollars C. 1,200 thousand dollars D. 1,440 thousand dollars E. 800 thousand dollars
Solve the problem. Round your answer to the nearest tenth unless otherwise indicated.Maria's company has 979 employees, Ruth's company has 702 employees. 979 is what percent of 702 ?
A. 0.1 B. 139.5 C. 71.7 D. 1.4
Use the brute force algorithm to find a minimum Hamilton circuit for the graph. Also, determine the total weight of the minimum Hamilton circuit.
A. Minimum Hamilton circuits are A ? C ? B ? D ? E ? A and A ? C ? E ? B ? D ? A; 
B. Minimum Hamilton circuit is A ? C ? B ? E ? D ? A; weight = 45
C. Minimum Hamilton circuit is A ? B ? D ? E ? C ? A; weight = 49
D. Minimum Hamilton circuits are A ? C ? B ? D ? E ? A and A ? E ? C ? B ? D ? A; 
Provide an appropriate response.Given that we know the Fundamental Theorem of Calculus, why would we want to develop numerical methods for definite integrals?i) Antiderivatives are not always expressible in closed form.ii)Numerical methods are a good excuse to use our graphics calculator.iii) The function f(x) may not be continuous on [a,b].
A. Only ii is correct. B. Only i is correct. C. Only iii is correct. D. Both i and iii are correct.