Answer:
-5x+7-(3x-2)
=-5x+7-3x+2
=-8x+9
Step-by-step explanation:
Answer: 89,760 miles
Step-by-step explanation: 5,280*17=89,760.
I believe you would do the feet ,130, divided by the minutes ,35, to get how many feet per minute. It would get you a never ending decimal of 3.714285. So every minute he would drop about 4 feet. You will have to put it how it says to for what your answering is. If it says round to the whole number then he would drop 4 feet, but I hope this helps you in any way :)
Answer:

Step-by-step explanation:
Move
to the denominator in 
using the negative exponent rule 
Answer:
5 FULL necklaces.
Step-by-step explanation:
85/15
About 5.667
0.667 of a necklace doesn't count
So just 5! :)