Find the solution set for each inequality. Graph the solution set on a number line and write it in interval notation.|x| < -4
A. (-?, -4]
B. ?
C. (-?, -4) ? (4, ?)
D. (-4, 4)
Answer: B
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)4(-2)2
A. -256
B. 
C. 64
D. - 
Determine if the number is divisible by 2, 3, 4, 5, 6, 8, 9, 10, and/or 12.3358
A. 4 B. 2 C. 2, 3, 4 D. 3, 4
A truck must drop off furniture at 4 different homes (A, B, C, and D) as shown in the graph below, starting and ending at A. The numbers on the edges represent distances (in miles) between locations. The truck driver wants to minimize the total length of the trip.
An optimal tour is given by:
A. A, D, B, C, A. B. A, B, D, C, A. C. A, B, C, D, A. D. A, C, D, B, A. E. none of these
Use Cramer's Rule (if applicable) to solve the system of equations.
A. {(-2, 2)} B. {(1, 2)} C. {(-1, 1)} D. ?