Change the mixed number to an improper fraction.4
A. 
B. 
C. 
D. 
Answer: C
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Factor the polynomial completely. If a polynomial cannot be factored, state that it is irreducible.x2 + 2xy - 15y2
A. (x - 5y)(x + 3y) B. (x + 5y)(x - 3y) C. (x - 5y)(x + y) D. irreducible
Complete.8.86 T = 
lb
A. 1772 B. 17,720 C. 0.0443 D. 0.00443
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 14 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 2 can pass under the bridge, but Truck 1 cannot. B. Truck 1 can pass under the bridge, but Truck 2 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.
Perform the indicated operation and write your answer with positive integer exponents.
A. n - m B. m - n C. -n - m D. m + n