Find the indicated measure of central tendency.A class of 44 students took a 10-point quiz. The frequency of scores is given in the table. Find the mean score.
A. 7.5
B. 7.3
C. 7.6
D. 7.8
Answer: D
Mathematics
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Provide an appropriate response.Simplify: (
- a)(
+ a)
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the equation.g + 28.14 = 0
A. -29.14 B. -28.14 C. 29.14 D. 28.14
Mathematics
Solve.In 13 weeks, the value of Bob Treatman's day trading account decreased by $520. What was the average weekly change in the value of the account expressed as a signed number?
A. -$42 per week B. -$46 per week C. -$40 per week D. $38 per week
Mathematics
Solve and check.18n2 + 60n = 0
A. - 
, 0
B. - 
C. - 
, 60
D. 0
Mathematics