Evaluate: 
when x = 4 and y = -5
A. 3
B. - 4
C. 4
D. - 3
Answer: D
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Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 186 miles in the same time that Dana travels 156 miles. If Chuck's rate of travel is 5 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 31 mph B. 37 mph C. 26 mph D. 25 mph
Determine the equation of the graph.
A. y = -sec
B. y = sec 2x
C. y = -sec 2x
D. y = sec
Identify the independent variable and the dependent variable.Let A be the age (in years) of a car, and let c be the annual cost of maintenance (in dollars) for the car.
A. independent: A; dependent, c B. independent: c; dependent, A
Find the value of the expression.Let logb A = 1.127 and logb B = 0.188. Find logb 
.
A. 0.212 B. 1.315 C. 0.939 D. 1.127