Solve the quadratic inequality. Express your solution on a number line using interval notation.x2 - 5x - 14 < 0
A. (-?, -2) ? (7, ?)
B. (-2, 7)
C. (-?, -2)
D. (7, ?)
Answer: B
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Find the indicated sum. Find the sum of the first 5 terms in the geometric series 3 + 
+ 
+ 
+ . . .
A. 93
B. 
C. 
D. 
Solve the problem by using two equations with two variables.Julie and Eric row their boat (at a constant speed) 40 miles downstream for 4 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 10 hours. Find the rate of the current.
A. 2.5 mph B. 7 mph C. 3 mph D. 4 mph
Solve.Here are a student's grades at the end of semester together with the number of credits for the course: Algebra (3) - C; Modern dance (2) - B; Chemistry I (5) - A; Biology I (5) - A. If A = 4, B = 3, C = 2, D = 1, and F = 0, find her grade point average. Round to the nearest tenth if necessary.
A. 4.0 B. 2.3 C. 10.0 D. 3.5
Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 