1) How much interest is earned on a
principal of $873 invested at an interest
rate of 4% for five years?

I’m confused on how to work the pie charts

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?