Simplify the expression.
A. 
B. 3
C. 81
D. not a real number
Answer: B
Mathematics
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Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.-5x = -1; divided
A. 5
B. -1
C. - 
D. -5
Mathematics
Find the quotient.-20 ÷ 4
A. -200
B. - 
C. 5
D. -5
Mathematics
Find the product.x3x7
A. 10x B. x10 C. 21x D. x21
Mathematics
In the diagram below, angle A is in standard position. Find sin A.
?
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics