Solve the problem.A rectangle with width 2x + 1 inches has an area of 2x4 + 5x3 - 20x2 - 35x - 12 square inches. Write a polynomial that represents its length.
A. x3 - 11x2 + 2x - 12 inches
B. x3 + 7x2 - 10x - 12 inches
C. x3 + 2x2 - 11x - 12 inches
D. x3 - 10x2 + 7x - 12 inches
Answer: C
Mathematics
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Change the percent to a fraction or mixed number. Simplify if necessary.
%
A. 6
B. 
C. 
D. 
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Determine whether F is conservative.F = 6x5y6z6i + 6x6y5z6j + 6x6y6z5k
A. conservative B. not conservative
Mathematics
Calculate the flux of the field F across the closed plane curve C.F = yi - xj; the curve C is the circle (x - 7)2 + (y - 10)2 = 9
A. -42 B. 42 C. 0 D. 84
Mathematics
Find the solution set for each inequality. Graph the solution set on a number line and write it in interval notation.|5k + 1| - 9 < -7
A. 
B. 
C. 
? 
D. 
Mathematics