Decide if the statement is true or false.tan ? can equal any negative real number.
A. False
B. True
Answer: B
Mathematics
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Solve the problem.Find the mass of the region of density 
bounded by the hemisphere 
and the xy-plane.
A. 20? B. 10? C. 5? D. 40?
Mathematics
Evaluate the given expression.x3 when x is -3.
A. -9 B. -27 C. -6 D. 9
Mathematics
Solve the problem.One number is four more than a second number. Two times the first number is 8 more than four times the second number.
A. 3 and - 1 B. 4 and 0 C. 5 and 1 D. - 8 and - 12
Mathematics
Find the product.5x(-7x + 10)
A. 15x2 B. -7x2 + 50x C. -35x2 + 50x D. -35x2 + 10x
Mathematics