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10 questions
True or false: Adding a negative number has the same effect as subtracting a positive number
True
False
Sometimes, always, or never true: A number plus its opposite will always equal zero
Always True
Sometimes True
Never True
(-3) + (-8)
(-9) + 1
6 + (-8)
8 + (-3)
-23 + -21 + 40
14 + -12+ 6
A submarine was situated 800 feet below sea level. If it ascends 350 feet, what is its new position?
1150 feet
-1150 feet
450 feet
-450 feet
A roller coaster begins at 82 feet above ground level. Then it descends 107 feet. Find the height of the coaster after the first descent.
25 feet
-25 feet
189 feet
-189 feet
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