Express the sum in sigma notation.3 + 6 + 9 + 12 + 15
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Determine the sum or difference in the given clock arithmetic.2 - 6 (clock 6)
A. 2 B. 1 C. 6 D. 3
Mathematics
Factor: 24a2b2 - 28ab + 36ab2
a. 12ab(2ab + 3b - 2) b. 12ab(12ab + 18 - 14) c. 6ab(4ab + 6b - 14) d. 3ab(8ab + 12b - 9) e. 4ab(6ab + 9b - 7)
Mathematics
Solve.An engineer uses the expression 
to describe the width of a rectangular steel plate she is designing for a machine. The expression 
describes the length. Write a rational expression for the perimeter of the steel plate.
A. 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Solve by using the quadratic formula.m(3m + 7) - 1 = 0
A. 0
B. 
C. 
D. no real-number solutions
Mathematics