Assuming you want to choose 4 people from the class of 20;
Begin by using the combinations formula;
20C4=4845 possibilities
Hope I helped :)
Answer: I think its B
Step-by-step explanation: My friend answered it.
Answer:
X=6
Step-by-step explanation:
Move the variable to get 9x-7x=12
collect like terms to get 2x=12
divide to get 6
Answer:
He should have built 2/3 of a section
Step-by-step explanation:
Answer:
4
Step-by-step explanation: