To purchase worth of lab equipment for his business, Bill made a down payment of and took out a business loan for the rest. After years of paying monthly payments of , he finally paid off the loan. (a) What was the total amount Bill ended up paying for the equipment (including the down payment and monthly payments)? (b) How much interest did Bill pay on the loan?

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?