An interger and its absolute value are always opposites ?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.