There are 63 students in the room, this is because 21 time 3 gives you 63.
Answer:
2/3 hours
Step-by-step explanation:
40 minutes = 40/60 = 2/3 hours
Answer: The median number of posts made is 8.5
I'm pretty sure k doesn't have a value it is no solution
Answer:
Step-by-step explanation:
f(x) = 3x² -5x - 1
f'(x) =2*3x - 5*1 +0
= 6x - 5
f'(4) = 6*4 - 5
= 24 - 5
= 19