Rachel had a $23,000, six-year loan with an APR of 7.25% a) What is the monthly payment?
b) What is the total amount of the monthly payments?
c) What is the finance charge?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.