Solve. If necessary, round answers to the nearest hundredth.In a statistics class, the following test scores were recorded for a student: 93, 88, 86, 82, 88, 74, 84. Find the mean, median, and mode.
A. mean: 86, median: 82, mode: 88
B. mean: 85, median: 82, mode: 93
C. mean: 85, median: 86, mode: 88
D. mean: 86, median: 85, mode: 93
Answer: C
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Determine whether the pair of lines is parallel, perpendicular, or neither. 3x - 2y = -8 2x + 3y = 14
A. parallel B. perpendicular C. neither
Write the phrase as a mathematical expression. Use x as the variable.135 added to a number
A. 135x B. 135 + x C. 135 D. 135 - x
Perform the indicated operation and simplify.
? 
A. 
B. 
C. 
D. 
Solve the problem.Between 8:30 a.m. and 9:30 a.m., cars drive through the Cappuccino Express at a rate of 12 cars per hour (0.2 per minute). The following formula from probability can be used to determine the probability that a car will arrive within t minutes of 8:30a.m. F(t) = 1 - e-0.2tDetermine how many minutes are needed for the probability to reach 0.6.
Fill in the blank(s) with the appropriate word(s).