Find the sum.8 + (-9)
A. -1
B. -17
C. 1
D. 17
Answer: A
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Solve.Two vehicles leave the same corner at the same time and travel at a right angle to each other. One vehicle travels 
an hour faster than the other. If after one hour the vehicles are 
apart, find the rate of each vehicle.
A. Slower vehicle: -16 km/hr; faster vehicle: -12 km/hr B. Slower vehicle: 16 km/hr; faster vehicle: 20 km/hr C. Slower vehicle: 8 km/hr; faster vehicle: 12 km/hr D. Slower vehicle: 12 km/hr; faster vehicle: 16 km/hr
Find the exact value of y, or state that y is undefined.y = tan-1 
A. 
B. - 
C. 
D. - 
Use the formula W = fd, where f represents a force, and d represents the distance that the force is applied.Find the work done, W, where f = 
and d = 
.
A. W = 121.0 B. W = 21.0 C. W = 212,100.0 D. W = 22.0 E. W = 210,000.0
State the domain of the given function.f(x) = 
A. {x|x is a real number}
B. 
C. 
D. 