Provide an appropriate response.Find the mean of the test scores from a math class whose scores were: 74, 52, 61, 97, 85, 77, 74, 98, 77, 89, 74, 70.
A. 79
B. 82
C. 78
D. 77
Answer: D
Mathematics
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Simplify the expression.
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A. 
?
B.
?
C.
?
D.
?
E.
Mathematics
Find the simple interest. The rate is an annual rate unless otherwise noted. Assume 365 days in a year and 30 days per month. Round to the nearest cent.$1380 at 3% for 3 years
A. $124.20 B. $1380.00 C. $153.33 D. $12.42
Mathematics
Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln 
A. 
B. 
C. ln 
D. 
Mathematics
Let Z be the standard normal variable. Round your answers to the nearest hundredth, if necessary.
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Find the value of z if z satisfies 
.
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__________
?
Find the value of z if z satisfies 
.
?
__________
What will be an ideal response?
Mathematics