Provide an appropriate response.The following test scores were recorded for a student: 82, 74, 70, 70, 82, 84. Find the mean, median, mode, and range.
A. mean: 77, median: 70, mode: 84, range: 77
B. mean: 78, median: 77, mode: 82, range: 77
C. mean: 78, median: 78, mode: 70, range: 14
D. mean: 77, median: 78, mode: 70 and 82, range: 14
Answer: D
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Solve.A balloon is secured to rope that is staked to the ground. A breeze blows the balloon so that the rope is taut while the balloon is directly above a flag pole that is 30 feet from where the rope is staked down. Find the altitude of the balloon if the rope is 80 feet long. Give your answer as a simplified radical.
A. 5
ft
B. 10
ft
C. 5
ft
D. 10
ft
Find the midpoint of the segment with the given endpoints.(7, -2) and (-6, 1)
A. 
B. 
C. 
D. 
Solve the equation.20 - 
x = - 
x + 20
A. 7 B. no solution C. all real numbers D. 0
Write a numerical expression for the phrase and simplify it.The sum of -5 and -12, increased by -10
A. [(-5) + (-12)] + (-10); -17 B. [5 + 12] + 10; 27 C. [(-5) + (-12)] + 10; -7 D. [(-5) + (-12)] + (-10); -27