Solve the problem.Julie and Eric row their boat (at a constant speed) 24 miles downstream for 4 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 6 hours. Find the rate of the current.
A. 0.5 mph
B. 1 mph
C. 5 mph
D. 2 mph
Answer: B
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Solve the equation by completing the square.w2 + 12w = - 27
A. 36, -9 B. -3, -9 C. ± 3 D. 3, 9
Provide an appropriate response.A quadratic equation f(x) = 0 has a solution x = 3. Its graph has vertex (-1, -16). What is the other solution of the equation?
A. -4 B. -5 C. 7 D. -3
What can you say about point of inflation for 
?
a. point of inflation gets closer to ±6 b. point of inflation goes away from the origin c. point of inflation gets closer to the origin d. point of inflation goes away from ±3
The numbers N (in millions) of students enrolled in schools in the United States from 1995 through 1997 are shown in the table. ? Year Number, N 1995 71.2 1996 72.3 1997 74? ? Use a graphing utility to create a scatter plot of the data. Let t represent the year, with t = 5 corresponding to 1995. ?
A. ?
?
B. ?
C. ?
D. ?
E. ?
