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.   ?

A.  

?


B.  

?


C.  

?


D.  

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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.

?
Find the value of z if z satisfies .
?
__________
?
Find the value of z if z satisfies .
?
__________

What will be an ideal response?

Mathematics