Simplify the exponential expression.3-4
A. 
B. 
C. 81
D. -81
Answer: B
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Factor the trinomial, if possible.108m2 + 252mn + 147n2
A. (18m + 21n)2 B. 3(6m - 7n)2 C. 3(6m + 7n)2 D. (18m - 3n)2
Provide an appropriate response.When using the substitution or elimination method to solve a system of two equations, you end up with an equation stating 
What does this indicate to you about the system of equations?
What will be an ideal response?
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 32 feet and the height of the arch over the center of the roadway is 11 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.
The graph of a function f is given. Use the graph to answer the question.For which of the following values of x does f(x) = -80?
A. 40 B. 60 C. 0 D. -80