Write the number in prime factored form.239
A. 119 ? 239
B. 239 ? 1
C. 239
D. 120 ? 2
Answer: C
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Find all the second order partial derivatives of the given function.f(x, y) = x ln (y - x)
A. 
= 
; 
= 
; 
= 
= 
B. 
= 
; 
= - 
; 
= 
= 
C. 
= 
; 
= - 
; 
= 
= - 
D. 
= 
; 
= - 
; 
= 
= 
Solve the problem.If a single pane of glass obliterates 15% of the light passing through it, then the percent P of light that passes through n successive panes can be approximated by the equation P = 100e-0.15nHow many panes are necessary to block at least 50% of the light?
Fill in the blank(s) with the appropriate word(s).
Simplify the expression using the order of operations.(5 - 42)2
A. -121 B. -6 C. 121 D. 9
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How long did it take her to walk a mile?1.9 minutes
A. Unreasonable, should be 1900 minutes B. Unreasonable, should be 19 minutes C. Unreasonable, should be 190 minutes D. Reasonable