The modal score would be 71. 71 appears the most in the list.
2 classes of 21 students each
21 × 2 classes = 42 students in total
42 × 3 mins = 126 minutes for 42 students
10 mins for 2 class pics = 20 minutes
126 + 20 = 146 minutes = 2 hours and 26 minutes
It should take 146 minutes (2 hours and 26 minutes) to take all the pictures.
25% 6 divided by 24 will give you the percentage of copper in the bar
Answer:
53 degrees
angle DCE is congruent to angle DAE.