ATN Investigation 3

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1.
1 point
Juan’s baseball card collection was worth $800. Over the last 5 years, the collection decreased $300 in value.What integer represents the average decrease in value each year?
2.
1 point
Solve:

-15 / - 5 =
3.
1 point
Solve:

-8 x (-8)
4.
1 point
Fill in the blank:

___ * (-8) = 24
5.
1 point
A submarine starts at the surface of the Pacific Ocean and descends 60 feet every hour.What integer expresses the submarine’s depth in feet after 6 hours?
6.
1 point
Solve:

-9 * (-2) =
7.
1 point
Solve:

-27 / (-9)
8.
1 point
Temperatures have been falling steadily at 5°F each day.What integer expresses the change in temperature in degrees 7 days from today?
9.
1 point
Solve:

Mr. Summers runs 800 feet in 4 minutes. How many feet per minute did he run?
10.
1 point
Florence purchased stock for $20 per share. After 6 days, the stock is worth $32 per share.What integer represents the average increase in stock value each day?