Debra purchased a prepaid phone card for $30. Long distance calls cost 16 cents a minute using this card. Debra used her card only once to make a long distance call. If the remaining credit on her card is $22.48, how many minutes did her call last?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4