Translate the phrase to an algebraic expression. Use x to represent "a number."Subtract a number from -18.
A. -18 + x
B. x + (-18)
C. x - (-18)
D. -18 - x
Answer: D
Mathematics
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Use the multiplication principle to solve the equation.-6x = -42
A. 2 B. -36 C. 36 D. 7
Mathematics
Perform the division and write the answer without using negative exponents.
?
What will be an ideal response?
Mathematics
Factor the trinomial.n4 - 6n2 - 16
A. (n2 - 2)(n2 + 8) B. (n2 + 6n + 2)(n2 - n - 8) C. (n2 - 2)(n2 - 8) D. (n2 + 2)(n2 - 8)
Mathematics
Fill in the blank with one of the words or phrases listed below.
A fraction is in 
when the numerator and the denominator have no factors in common other than 1.
A. simplest form B. least common denominator C. cross products D. prime factorization
Mathematics