In the simplex tableau 
, what is the next pivot element?
A. 4
B. -1
C. 5
D. 6
E. none of these
Answer: D
Mathematics
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Translate to a proportion. Do not solve.29% of 74 is what?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Use a determinant and the given vertices of a triangle to find the area of the triangle.
What will be an ideal response?
Mathematics
?A 200-gallon tank is full of a solution containing 55 pounds of concentrate. Starting at time 
, distilled water is added to the tank at a rate of 20 gallons per minute, and the well-stirred solution is withdrawn at the same rate. Find the amount of concentrate Q in the solution as a function of ?t.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the area of the shaded region.y = 2x + 1
A. 7.5 B. 5 C. 12.5 D. 10
Mathematics