In 2010, a local dairy queen had $550,000 in sales. in 2011, dairy queen's sales were up 35%. what were dairy queen's sales in 2011?

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

Find the distance between the pair of points a(-1,8) and b(-8,4)

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! )