Few months ago, Frank purchased stock for $6,150. Last week he sold the stock for $8,250.
What was his gross capital gain?
Slide 23
Financial Algebra
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Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?