For the expression that follows, replace x with 30°, and then simplify as much as possible.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: E
Mathematics
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Answer the question.Are 10j and -10j solutions to the equation x2 + 100 = 0?
A. No B. Yes
Mathematics
Use properties of exponents to simplify the expression. Express answers in exponential form with positive exponents only. Assume that any variables in denominators are not equal to zero.(-5x2y-4)(2x3y-2)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.
=
A. 55 B. 89 C. 144 D. 11 E. none of these
Mathematics
Provide an appropriate response.Is 
= 3?
Fill in the blank(s) with the appropriate word(s).
Mathematics