Perform the row operations on the matrix and write the resulting matrix.Replace R2 by 
R1 + 
R2
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Calculate the flux of the field F across the closed plane curve C.F = xi + yj; the curve C is the counterclockwise path around the circle x2 + y2 = 9
A. 6? B. 18? C. 0 D. 36?
Mathematics
Solve the inequality. Give the solution set in both interval and graph forms.-17 ? -3c + 1 < -5
A. [2, 6)
B. (-6, -2]
C. [-6, -2)
D. (2, 6]
Mathematics
Solve the problem.Go Green Recycling Center pays local children $0.50 for each pound of aluminum cans they bring in. If Sara brings in 16 pounds of cans, what are her gross earnings?
A. $16.50 B. $6.50 C. $8.00 D. $9.50
Mathematics
Write the ratio or rate in simplest form.33 to 22
A. 
B. 
C. 
D. 
Mathematics