Answer: (a). M=7x180+39+700. (B) $731
Step-by-step explanation:
90% of 100 = 0.9 x 100 = 90
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Answer: The visitor can see 90 ships.
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Answer: 4xy and 3xy are, 2s and 5s are, but -10 and -10b aren't.
Step-by-step explanation: 4xy and 2xy have the same terms. 2s and 5s have the same terms but -10a and -10b have different variables.
Answer:
<h2>x = -49</h2>
Step-by-step explanation:
x - 6 = -55 <em>add 6 to both sides</em>
x - 6 + 6 = -55 + 6
x = -49
