Answer:
15 students still haven't given their speeches
Step-by-step explanation:
2/3 of 60 is 40
60 - 40 = 20 left
1/4 of 20 is 5
20 - 5 = 15
80 degrees
Sum of the interior angles of a triangle = 180
a + 50 + 50 = 180
a = 80
A
6
4 times 8 = 32. 56 - 32 = 24. 24 divided by 4 = 6.
