Factor completely. If the polynomial cannot be factored, say it is prime.x2 + 10x - 24
A. (x - 12)(x + 1)
B. (x - 12)(x + 2)
C. (x + 12)(x - 2)
D. prime
Answer: C
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Solve the problem.Find an equation for the level surface of the function f(x, y, z) = ln
that passes through the point 
.
A. 
= e13
B. ln 
= 16
C. ln 
= 
D. 
= e16
Find the integral.
A. 
x2e2x - xe2x + 
e2x + C
B. 
x2e2x - 
xe2x + 
e2x + C
C. 
x2e2x - 
xe2x + 
e2x + C
D. 
x2e2x - 
xe2x + C
Solve.The following data are the number of social network friends for nine random users.76?96?122?63?106?218?84?116?44(a) Find the mean, median, and mode for the data. Round the value of the mean to the nearest whole number, if necessary.(b) A new user opens a social network account starting with 18 friends. Add this data to the data set and find the new mean, median, and mode for the data. Round the value of the mean to the nearest whole number, if necessary.
A. (a) mean: 94, median: 116, mode: 116; (b) mean: 86, median: 106, mode: 116 B. (a) mean: 103, median: 96, mode: no mode; (b) mean: 94, median: 106, mode: no mode C. (a) mean: 103, median: 96, mode: no mode; (b) mean: 103, median: 116, mode: no mode D. (a) mean: 94, median: 116, mode: 116; (b) mean: 93, median: 116, mode: 116
Find the missing complex number.(3 - 5i) + ? = 8 + 2i
A. -8 - 2i B. 5 + 7i C. 8 - 2i D. -2 + 12i