Solve the problem.Carla and Patrick rode stationary bikes for the same amount of time. Carla rode at 7 miles per hour, and Patrick rode at 4.5 miles per hour. If Carla rode 1.88 miles farther than Patrick, how long did they use the bikes?
A. 1 hour
B. 0.75 hour
C. 0.5 hour
D. 0.67 hour
Answer: B
Mathematics
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Solve the equation by completing the square.x2 + 4x = 3
A. {-2 ± 
}
B. {2 + 
}
C. {-2 ± 2
}
D. {-1 ± 
}
Mathematics
Use the graph to find the average rate of change.
A. 1 B. -4 C. 4 D. -1
Mathematics
Solve the problem.Find the first five terms of the sequence with first term 8 and nth term an = 2an-1
A. 8, 16, 32, 64, 128 B. 8, 40, 45, 50, 55 C. 0, 5, 40, 45, 50 D. 16, 32, 64, 128, 256
Mathematics
Decide whether or not the function is continuous in the indicated x-interval.0 to 3
A. Not continuous B. Continuous
Mathematics