Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 5
+ 2
A. 10
B. 7
C. 7
D. 7
Answer: D
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Which of the tables below show linear data?Table 1 x 2 5 8 11 y 37.83 43.63 49.43 55.23? Table 2 x 2 5 8 11 y 35.12 40.92 46.72 52.52?
A. Table 1 only B. Table 2 only C. Both Table 1 and Table 2 D. Neither table is linear.
Solve the problem.Scores on a test are approximately normally distributed with a mean of 70 and a standard deviation of 9. The teacher wants to give A's to the top 10% of students, B's to the next 25%, and C's to the next 42%. What is the bottom cutoff for a C grade? Round your answer to the nearest whole number.
A. 77 B. 63 C. 65 D. 68
Find the median.10, 8, 26, 19, 22, 50, 40, 40
A. 26 B. 22 C. 26.5 D. 24
Find an equivalent equation in rectangular coordinates.r = 
A. x2 = 10y - 25 B. x2 = 25 - 10y C. y2 = 10x - 25 D. y2 = 25 - 10x