There are 10 red marbles and 20 green marbles in a bag. colleen says the raito or red to gree is 10 to 20. fritz disagrees and says the ratio is 1; 2. which student is correct

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air