Simplify these expressions
Please help if u can :)

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Use the graph of the sine function y=2sinθ shown below

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.