Identify the conic section represented by the equation.7y2 - 4x + 42y - 61 = 0
A. hyperbola
B. ellipse
C. circle
D. parabola
Answer: D
Mathematics
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Simplify. Assume variables represent nonnegative values.
A. 6
B. 7
C. 61
D. 5
Mathematics
Use least common multiple or greatest common divisor to solve the problem.Three taxi cabs make a complete trip from downtown to the airport and back in 10, 26 and 65 minutes, respectively. If all three cabs leave at the same time, what is the shortest time that must pass before they are all together again?
A. 260 minutes B. 1690 minutes C. 101 minutes D. 130 minutes
Mathematics
Use a scientific calculator to approximate the common logarithm. Round to four decimal places.log 0.0579
A. -1.2299 B. -1.2449 C. -1.2373 D. -2.8490
Mathematics
Simplify the exponential expression.
A. 
B. 
C. 
D. 
Mathematics