Solve. 
? 9
A. x ? -1 or x ? 17
B. -9 ? x ? 9
C. -1 ? x ? 17
D. -17 ? x ? 1
Answer: C
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Solve the equation.
= 
A. 0 B. 4 C. 8 D. No solution
Solve.On a road trip, Jackie and Meredith drove 395 miles through the United States and 135 kilometers through Canada. How many kilometers did they travel in total? Round your answer to the nearest hundredth if necessary.
A. 530 km B. 770.95 km C. 478.7 km D. 719.65 km
For the given simplex tableau, determine which variable should be brought into the solution and which row to use as a pivot. x1 x2 x3 x4 M
A. x1, row 2 B. x2, row 1 C. x1, row 1 D. x2, row 2
Find the simple interest. Assume a 360-day year. Round results to the nearest cent.$16,000 at 5% for 96 days
A. $800.00 B. $16,213.33 C. $211.11 D. $213.33