Evaluate f (x) = 5x – 8 when x = -3,0, and 4.

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.

Joyce deposited $5000 in an account with an annual interest rate of 6%, compounded annually. how much money will be in the account 10 years later

There are 18 female students and 16 male students in a class. which of the following expresses the ratio of female students to male students in simplest form? а) 10 b) 9 to 8 c) 8: 9 d)18/16