Solve.In a biology class, the following test scores were recorded for a student: 85, 77, 73, 73, 85, 87. Find the mean, median, and mode for the data.
A. mean: 81, median: 80, mode: 85
B. mean: 81, median: 81, mode: 73
C. mean: 80, median: 81, mode: 73 and 85
D. mean: 80, median: 73, mode: 87
Answer: C
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Solve the inequality: 0.5?log x<2
What will be an ideal response?
Factor the special products.81x2 - 126xy + 49y2
A. (81x + 1)(x + 49) B. (9x - 7y)2 C. (9x - 7y)(9x + 7y) D. (9x + 7y)2
Use a system of equations to solve problem.Suppose that the position of a particle moving along a straight line is given by 
where t is time in seconds and a, b, and c are real numbers. If s(0) = 0.5, s(1) = 0.95, and s(2) = 1.8, find a, b, and c. Then find s(5).
A. a = -0.2, b = 0.25, c = 0.5; s(5) = 6.75 B. a = 0.2, b = 0.25, c = 0.5; s(5) = 6.75 C. a = 0.2, b = -0.25, c = 0.5; s(5) = 6.75 D. a = 0.2, b = 0.25, c = -0.5; s(5) = 6.75
Find the compound amount and the interest earned when the given investment has continuous compounding.$100,000 at 4.4% for 16 years
A. $211,277.02; $111,277.02 B. $202,182.38; $102,182.38 C. $107,040.00; $7040.00 D. $10,449.82; $4498.24