Two sidewalks in a park are represented by lines on a coordinate grid. two points on each of the lines are shown in the tables.

Answer for 10 points show work you guys in advanced < 3

Which of the following parabolas opens up?

Fill in the missing exponents in each box and show how you found the answer. (4 points: 2 points for each correct answer with work shown) c. (9^4)^? =9^1 d.(5^? )^3=5^1 *question marks represent the boxes