If an international call costs $1.53 for the first minute and $0.92 for each additional minute and Lily does not want to spend more than $10 on the call, then find the maximum call duration that she can afford?

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?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0