The Geometry club needs to choose four people out of their ten members to attend
the national convention. How many different groups can attend the convention?

Permutation or combination?

Number of Outcomes

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons