139 is suppose to be 140 and 18 is suppose to be 20, 140 x 20 = 2800
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When rates are expressed as a quantity of 1 such as 2 feet per second or 5 miles per hour, that is the definition of unit rates.
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Answer:
(-9,-7)
Step-by-step explanation:
(x,y)—>(-x,-y)
(9,7)—>(-(9),-(7))=(-9,-7)
Answer:
D. a1=23/100, r=1/100
Step-by-step explanation:
The repeating fraction can be written as the sum ...

The first term is a1 = 0.23 = 23/100, and each successive term is shifted 2 decimal places to the right, so is multiplied by the common ratio r=1/100.
Answer: C, D
Step-by-step explanation:
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