9 = c(c - 8)
9 = c² - 8c
c² - 8c - 9 = 0
c² + c - 9c - 9 = 0
c(c + 1) -9 (c + 1) = 0
(c+1)(c-9) = 0
c = -1 or 9
In short, Your Answers would be -1 and 9
Hope this helps!
I think the answer is the second one
Answer:
Step-by-step explanation:
Answer:
15 students per teacher
10 students per tutor
11 tutors
Step-by-step explanation:
75/5=15
60/6=10
110/10=11
Answer:
The answer is D
Step-by-step explanation:
Hope this helps
