Compute the standard deviation for the numbers 12, 8, 7, 9, 4.
What will be an ideal response?
2.61
Mathematics
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Integrate using any method.
Mathematics
Express as a single logarithm and, if possible, simplify.logb x7 - 2logb 
A. logb x8
B. 
C. logb (x7 - x)
D. logb x6
Mathematics
Solve the system of equations.0.2x + 0.3y + 0.1z = -0.70.2x + 0.4y + 0.2z = -10.8x - 0.4y + 0.2z = -3.6
A. (-3, 1, -4) B. (-0.4, 0, -4) C. (-0.6, 0, -3) D. (-0.4, 1, -3)
Mathematics
Solve.Anne and Nancy use a metal alloy that is 16% copper to make jewelry. How many ounces of an alloy that is 10% copper must be mixed with an alloy that is 20% copper to form 55 ounces of the desired alloy?
A. 24 ounces B. 22 ounces C. 33 ounces D. 38 ounces
Mathematics