Multiply.(x - 1)(x2 + x + 1)
A. x3 - 1
B. x3 + 2x2 + 2x + 1
C. x3 - 2x2 - 2x - 1
D. x3 + 1
Answer: A
Mathematics
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Find the derivative.y = 
A. 
B. 
C. 
D. 
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Find the distance between the points, and find the midpoint of the line segment joining them.(7, 2) and (4, 8)
A. 3
; 
B. 3
; 
C. 3; (11, 10)
D. 3; (3, -6)
Mathematics
Combine like terms.
x - 
x + 
x
A. 
x
B. - 
x
C. 
x
D. 
x
Mathematics
Find the mean for the list of numbers.Monthly checking account fees: $16, $9, $4, $9, $6, $1, $4Round answer to the nearest whole number if necessary.
A. $4 B. $6 C. $7 D. $9
Mathematics