Determine whether the given value is a solution of the inequality.6(x - 4) ? 6 - 9(x - 8), x = -8
A. Yes
B. No
Answer: A
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Solve the problem using two linear equations in two variables and Cramer's rule.Two different gasohol mixtures are available. One contains 5% alcohol and the other 12% alcohol. How much of each should be mixed to obtain 1500 gal of gasohol containing 10% alcohol? (Round to the nearest whole gallon.)
A. 625 gal 5%, 875 gal 12% B. 75 gal 5%, 180 gal 12% C. 1071 gal 5%, 1071 gal 12% D. 429 gal 5%, 1071 gal 12%
Solve the equation.
= 6
A. ? B. {100} C. {40} D. {32}
Solve the problem.The graph shows the average cost of a barrel of crude oil for the years 1981 to 1990 in constant 1996 dollars. Find the approximate average change in price from 1981 to 1986.1996 $/Barrel 
Year
A. About -$9/year B. About -$4/year C. About -$37/year D. About -$15/year
Use Pascal's triangle to expand the binomial.(4x - 3y)3
A. 16x3y - 24x2y2 + 9xy3 B. 16x3y - 12x2y2 + 9xy3 C. 64x3 - 144x2y + 108xy2 - 27y3 D. 64x3 - 48x2y + 36xy2 - 27y3