Please help i need your help 5th grade, will mark you brainliest so help​

What is the gcf of 20c^3-5c^4+30c^6

329 people went to an amusement park. $906 was made that day. $1.5 per kid. $4 per adult. how many kids and adults went?

Each flyer costs $0.25. our total budget is $555. it will cost $115 for other supplies. about how many flyers do you think we can buy? a.)less than 1,000 flyers b.)between 1,000 and 2,000 flyers c.)10,000 flyers d.)greater than 2,000 flyers