Simplify by using the distributive law and combining like terms.x - (8x + 7)
A. -14x
B. 7x - 7
C. -7x + 7
D. -7x - 7
Answer: D
Mathematics
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Find the exact value of the real number y.y = arctan
A.
B.
C.
D.
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Write the word phrase as an algebraic expression. Use x to represent the unknown number.The quotient of a number and 6, decreased by 5
A.
B. - 5
C. - 5
D.
Mathematics
Determine the number of subsets of the set.A set of 9 elements
A. 19 B. 512 C. 18 D. 256
Mathematics
Simplify the rational expression.
A. 9x2 + xy + 49y2 B. 3x2 + xy + 7y2 C. 9x2 - 21xy + 49y2 D. 9x2 + 21xy + 49y2
Mathematics