A variable represents an unknown number
Answer: The copy machine makes 171 copies in 4 minutes and 45 seconds.
Step-by-step explanation:
Let's dissect the question. The copy machine makes 36 copies per minute.
36 per min.
To see how many copies it makes in 4 minutes and 45 seconds, we multiply 36 * 4.75. 45 seconds is 3/4ths of a minute, or 0.75 of a minute.

It makes 171 copies in 4 minutes and 45 seconds.
Answer:
The total change in the altitude is 58.3
Step-by-step explanation:
-42.9 + -15.4 = 58.3
Answer:
srry i just wanted the points
Step-by-step explanation: