Help me plz I’m really need help

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo

Me d is also an option but i couldn't get it in the picture