Help imma scream

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

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?