Someone please

Find the distance d. Round your answer to the nearest tenth

A. 5.4

B. 29

C. 4.6

D. 6

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

Which of the following parabolas opens down?

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i