Answer: 
Step-by-step explanation:
Given, A class has five boys and nine girls.
Total students = 5+9=14
Number of ways to choose 6 students out of 14=
[Using combinations]
Number of ways to choose 4 girls out of 6 (4 girls + 2 boys = 6 ) = 
If the teacher randomly picks six students, then the probability that he will pick exactly four girls:-


hence, the required probability =
.
Answer:
3,150.
Step-by-step explanation:
- 2 · {[ 5 · ( 60 - 2 )] + 25 } · 5.
- 2 · {[ 5 · ( 58 )] + 25 } · 5.
- 2 · { 290 + 25 } · 5.
- 2 · { 315 } · 5.
- 630 · 5.
- 3,150.
These are all of the steps to completely and correctly solve this question.
Hope this helps.
Kyle.
Answer:
1.6
Step-by-step explanation:
Lets count how many points are x and y away from each other since we dont have a graph.
X and Y points:
35-15=20
56-24=32
Use the formula:

32/20 = 1.6
Answer:
- 8
Step-by-step explanation:
An equation in the form y = mx + c ( m is the slope and c is the y- intercept )
Has a constant rate of change = m
given
= 12 + (n - 1)(- 8) ← distribute and simplify
y = 12 - 8n + 8
y = - 8n + 20 ← in the form y = mx + c
with constant rate of change = - 8
Answer:
no
Step-by-step explanation:
like this is here for actual help