Simplify.
A. x - 4
B. x + 4
C. 
D. 
Answer: C
Mathematics
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Decide whether the statement translates into an expression or an equation.
more than 5 times a number
A. Equation B. Expression
Mathematics
Perform the indicated calculation. Express your answer using scientific notation.(3 × 109)(8 × 109)
A. 24 × 1019 B. 2.4 × 1019 C. 2.4 × 1018 D. 24 × 1081
Mathematics
Find the coordinates of the midpoint of the line segment PQ.P(u - w, k), Q(u + w, k)
A. (k, u) B. (2u, 2k) C. (u, k) D. (-w, 0)
Mathematics
Rationalize
Mathematics