The summit of half dome is the size of 17 football fields. a football field is 360 feet long and 160 feet wide. what is the area of half dome's summit?

Cameron made 1 loaf of bread. his family ate 4/6 of the loaf of bread. how much of the loaf of bread remains? /

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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?