I need help please it’sGeometry

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents