Multiply.(2m4z4)(2m4z2)
A. 4m8z6
B. 4mz8
C. 4m8z
D. 4mz6
Answer: A
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Solve the problem.The arch beneath a bridge is semi-elliptical, a one-way roadway passes under the arch. The width of the roadway is 34 feet and the height of the arch over the center of the roadway is 9 feet. Two trucks plan to use this road. They are both 8 feet wide. Truck 1 has an overall height of 
and Truck 2 has an overall height of 
. Draw a rough sketch of the situation and determine which of the trucks can pass under the bridge.
A. Truck 1 can pass under the bridge, but Truck 2 cannot. B. Truck 2 can pass under the bridge, but Truck 1 cannot. C. Both Truck 1 and Truck 2 can pass under the bridge. D. Neither Truck 1 nor Truck 2 can pass under the bridge.
Use the graph of a quadratic function to find the solution set of the equation or inequality. For a solution set that involves an interval, use interval notation.-x2 - 1x - 4 ? 0
A. x = 4 B. (-?, 4) ? (4, ?) C. (-?, ?) D. ?
Find the median of the list of data.32, 16, 223, 151, 254, 249, 231
A. 151 B. 231 C. 223 D. 165
Use the vectors u and v to find (-2u) × v.
?
?
A. 
B. 
C. 
?
D. 
E. 