How do you find the x and y values and what theorems must i use?

Which term best describes the association between variables a and b

Explain how the quotient of powers was used to simplify this expression.

Daniel buys one bond each with a par value of $1,000 from grath oil, ombor medical supplies, and dwyn horticulture. grath oil bonds are selling at 120.514, ombor medical supplies bonds are selling at 90.773, and dwyn horticulture bonds are selling at 101.180. what is the total face value of daniel's bonds?