Mr. Hamilton surveyed his class to find the total number of hours each of his students slept the previous night. The histogram shows the results of the survey. How many students slept at least 8 hours?

9 students

Step-by-step explanation:

6 students slept 8-11 hours, and 3 students slept 12-15. 6 + 3 = 9.

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

it should be a and d. lmk if i'm wrong xd