What is y when x=60

a) about 210
b) about 225
c) about 250
d) about 300

Asap! i'm not good math and i'm lost.

Graham’s monthly bank statement showed the following deposits and withdrawals. -$25.20, $42.75, -$22.04, -$18.50, $74.11. part a if grahams baldness in the account was $37.86 at the beginning of the month,! 27/4! 2// the account balance at the end of the month? ? plz i will give you 100 points

Enter the amplitude of the function. f(x)=3cosx