Use a calculator to evaluate the expression. (If necessary, round your answer to three decimal places.)
?
?
?
A. 70
B. 71
C. 72
D. 74
E. 73
Answer: C
Mathematics
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Evaluate the expression using the given value of the variables.7x-1y2 for x = -1, y = 2
A. -28
B. - 28
C. - 
D. - 
Mathematics
Find the product.-44
A. -256 B. -8 C. 1024 D. 256
Mathematics
Solve the problem.Nine times a number, added to 45, is 126. Find the number.
A. 81 B. 9 C. -9 D. 729
Mathematics
The critical value corresponding to a level of significance of? = 0.05 .
The probability density function of X is f (x) = 81 / x4 over [3, ?) . Compute the following quantity.
Mathematics