How many kittens weigh at least 3/8 of a pound? (line plot)

3 x's in 1/4, 4 x's in 3/8, 3 x's in 1/2 and 2 x's in 5/8. i know the answer is 9. i need to know how did i get 9. you.

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