Find the product.(x + 7)(x2 + 2x - 5)
A. x4 + 7x3 + 2x2 + 9x - 35
B. x3 + 9x2 + 19x - 35
C. x3 + 9x2 + 9x - 35
D. x3 + 9x2 + 19x + 35
Answer: C
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The following data are the number of social network friends for nine random users.76?91?123?63?106?211?84?111?46(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 19 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: 93, median: 111, mode: 111; (b) mean: 85, median: 101, mode: 111 B. (a) mean: 101, median: 91, mode: no mode; (b) mean: 101, median: 111, mode: no mode C. (a) mean: 93, median: 111, mode: 111; (b) mean: 91, median: 111, mode: 111 D. (a) mean: 101, median: 91, mode: no mode; (b) mean: 93, median: 101, mode: no mode
Add or subtract. Express the answer as a mixed number.15 - 
A. 12
B. 15
C. 14
D. 14
Evaluate.-72
A. 14 B. -49 C. -14 D. 49
Write as an exponential equation.log3
= 
A. 
3= 
B. 
= 3
C. 3
= 
D. 3
= 