Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14
B. -5
C. 0
D. 1
Answer: D
Mathematics
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Use the basic identities to simplify the expression.(1 - cot ?)(1 + cot ?) + csc2 ?
A. 2 B. 2 csc2 ? C. 0 D. 1
Mathematics
Solve the problem.The stock market gained 37 points on Tuesday and lost 14 points on Wednesday. It had closed on Monday at 2569 points. Where did the market close on Wednesday?
A. 2620 points B. 2592 points C. 2518 points D. 2546 points
Mathematics
Find the LCD for the given fractions.
and 
A. 4 B. 56 C. 180 D. 720
Mathematics
State the degree of the polynomial and whether it is a monomial, a binomial, or a trinomial.-5xy4
A. monomial, degree is 1 B. monomial, degree 4 C. binomial, degree 5 D. monomial, degree 5
Mathematics