Answer:
try the 3rd one
Step-by-step explanation:
if it's not right then i'm sorry
Answer: if you’re talking about simplifying then it would be 2\5.
Step-by-step explanation: all you do is divide two on 4 and 10 and your simplified fraction would be 2/5
Answer:
d) 330
Step-by-step explanation:
The number of ways can a dance instructor send 4 of her 11 students to summer dance program is C(11 , 4)
That is
ways
by using formula 
now simplification

= 
after cancelling 7! and on simplification
= 
after cancellation we get 330 ways
The number of ways can a dance instructor send 4 of her 11 students to summer dance program is 330
No, because if you add on 6 more dollars to package 2 you would only have 6 socks for 12 dollars and on package A you would have 8 pairs for 12 dollars.