To mail a first class letter, the us postal service charges $0.34 for the first ounce and $0.21 for each additional ounce. it costs $1.18 to mail your letter. how many ounces does your letter weigh?

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Select the number of ways in which a line and a circle can intersect

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school