To purchase $12,300 worth of machinery for her business, Lucy made a down payment of $1,500 and took out a business loan for the rest. After 3 years of paying monthly payments of $328.57, she finally paid off the loan. (a) What was the total amount Lucy ended up paying for the machinery (including the down payment and monthly payments)?

(b) How much interest did Lucy pay on the loan?

What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)

For each proportion find the unknown number x 1/5/8=×/15

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)