Solve the problem.A water tank can be filled in 7 min and emptied in 8 min. If the drain is accidentally left open when the tank is being filled, how long does it take to fill the tank?

A. 56 min
B. 3 min
C.  min
D.  min


Answer: A

Mathematics

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Use the given information to determine whether the sets are equal. U = {1, 2, 3, 4, 5, 6, 7, 8} A = {1, 3, 5, 7} B = {2, 3, 4, 5, 6}(A ? B)', A' ? B'

A. Not equal B. Equal

Mathematics

Provide an appropriate response.Is 3x-2 + x-1 + 5 + 6x + 11x2 a polynomial function or a rational function? Why?

What will be an ideal response?

Mathematics

Find the product.(3m4)(2m4)

A. 6m8 B. 6m C. -6m8 D. -6m

Mathematics

Add and simplify. + 

A.  
B.  
C.  
D.  

Mathematics