Write the following using algebraic notation.Three divided by a number
A. 
B. 3 + x
C. 3 - x
D. 3x
Answer: A
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Find the flux of the curl of field F through the shell S.F = (x-y)i + (x-z)j + (y-z)k; S is the portion of the cone z = 3
below the plane z = 3
A. 2? B. - 4? C. 4 D. - 2?
Find the area of the specified region.Inside one loop of the lemniscate r2 = 2 cos 2?
A. 1
B. 
C. 2
D. 4
Add.23.37 + 4 + 97.31 + 20.951
A. 145.641 B. 146.631 C. 145.631 D. 145.731
Solve.A chemist needs 5 liters of a 50% salt solution. All she has available is a 20% salt solution and a 70% salt solution. How much of each of the two solutions should she mix to obtain her desired solution?
A. 2 liters of the 20% solution; 3 liters of the 70% solution B. 2.5 liters of the 20% solution; 2.5 liters of the 70% solution C. 1 liters of the 20% solution; 4 liters of the 70% solution D. 1.5 liters of the 20% solution; 3.5 liters of the 70% solution