Simplify the expression.(z - 6)(z + 6) - (z + 6)(z + 6)
A. 12z
B. -12z
C. 0
D. -12z - 72
Answer: D
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Find the larger number.6 and 5.941
A. 6 B. 5.941
In electronics the unit of watts is found by multiplying the current, in amperes, by the voltage, in volts. Find the power of a circuit with a current of 0.00125 amperes and a voltage of 2.876 volts. Round to the proper degree of accuracy.
What will be an ideal response?
Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.7x2 = 4x - 2
A. Two different real-number solutions B. Two different imaginary-number solutions C. One real solution
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 38 feet and the height of the arch over the center of the roadway is 14 feet. Two trucks plan to use this road. They are both 10 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. Neither Truck 1 nor Truck 2 can pass under the bridge. C. Truck 2 can pass under the bridge, but Truck 1 cannot. D. Both Truck 1 and Truck 2 can pass under the bridge.