Plz help me :) you can explain if you want, i just need help understanding it

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

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

Which is the factored form of the polynomial p(x) shown here?