Simplify the expression using the order of operations.21 - 
A. 28
B. 10
C. 18
D. 2
Answer: D
Mathematics
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Use the frequency distribution table to find the mean, median, and mode. If needed, round the mean to one decimal place.
A. mean: 4.7, median: 5, mode: 5 B. mean: 5, median: 5, mode: 5 C. mean: 5, median: 4.5, mode: 2 D. mean: 7.7, median: 7, mode: 7
Mathematics
Graph. Be sure to label the vertex.y = x2 + 2x - 8
A. 
B. 
C. 
D. 
Mathematics
Find all the second order partial derivatives of the given function.f(x, y) = ln (x2y - x)
A. 
= 
; 
= - 
; 
= 
= - 
B. 
= 
; 
= - 
; 
= 
= - 
C. 
= 
; 
= 
; 
= 
= 
D. 
= 
; 
= - 
; 
= 
= - 
Mathematics
Convert the decimal to the given base.68 to base eight
A. 104eight B. 102eight C. 120eight D. 140eight
Mathematics