Simplify. Write your answer using only positive exponents. Assume that all variables represent nonzero numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Answer the question.Which of the following statements are true?I: If S = {(x, y): x - y = 0 and x ? 0} and if P is its profile, then conv P = S.II: If S = {(x, y): x - y = 0 and 0 ? x ? 5} and if P is its profile, then conv P = S.
A. Both I and II B. II C. I D. Neither I or II
Mathematics
Find the sum.12 + 22 + 32 + 42 + ... + 882
A. 228,448 B. 116,174.667 C. 231,044 D. 1,386,264
Mathematics
Find the solution set of the equation. If the equation has no solution write ? and if the equation is an identity so state.
+ 4 = 
A. {-22} B. ? C. {-4} D. {0}
Mathematics
Give the range for the function if the domain is {-2, -1, 0, 1, 2}.y = 
A. 
B. 
C. 
D. 
Mathematics