The radius of a calcium atom is approximately 0. 23 nm.

Arealtor is studying the graph above, which shows the expected value of properties in her area over the next 24 years. if t represents the number of years after 2014, in what year should the increase in property values start to slow down? a. 2008 b. 2018 c. 2022 d. 2030

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How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?