Determine the signs of the given trigonometric functions of an angle in standard position with the given measure.cos (500°) and tan (500°)
A. negative and positive
B. positive and negative
C. negative and negative
D. positive and positive
Answer: C
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Solve the system of equations.5x + 2y + z = -112x - 3y - z = 177x + y + 2z = -4
A. {(0, 6, -1)} B. {(-3, 0, 4)} C. {(3, 0, -4)} D. {(0, -6, 1)}
Solve the problem.The cost, c, in dollars of car rental is c = 8 + 
m, where m is the number of miles driven. Estimate the cost of car rental if the number of miles driven is 25.
A. About 14 dollars B. About 19 dollars C. About 10 dollars D. About 27 dollars
Solve the problem.Suppose the number of Quickie hamburgers (in millions) served yearly from 1987 to 2000 can be modeled by 
In this formula 
corresponds to 1987 and 
corresponds to 2000. Approximate how many million (rounded to the nearest million) Quickie hamburgers will be sold in 1995.
A. 405 million B. 358 million C. 31.392 million D. 85 million
Evaluate.
dx
A. 13 + C
B. 0
C. 
x2 + C
D. 13x + C