Simplify.
A. 63
B. 
C. - 63
D. 
Answer: A
Mathematics
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Solve the problem.Six Republicans and six Democrats orally cast their vote in the U.S. Senate. In how many orders can they vote if they must alternate Republican, Democrat, Republican, Democrat, and so on and if a Republican must always be the first to vote?
A. 12!
B. 6 × 11!
C. 6! × 6!
D. 
E. none of these
Mathematics
Graph the linear function and give the domain and range.f(x) = 
x - 4
A. D = (-?, ?), R = (-?, ?)
B. D = (-?, ?), R = (-?, ?)
C. D = (-?, ?), R = (-?, ?)
D. D = (-?, ?), R = (-?, ?)
Mathematics
Provide an appropriate response.
Find a polynomial for the shaded area.
A. z2 + 2xz B. x2 + 2xz C. 2xz D. x2 + 2xz + z2
Mathematics
Determine whether the lines are perpendicular. Use a protractor.
A. Yes B. No
Mathematics