Atotal of $8000 is invested: part at 5% and the remainder at 13%. how much is invested at each rate if the annual interest is $730?

Two lines parallel to the same plane are parallel to eachother

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?

Can someone tell me if this is perpendicular? !