Divide 8x⁵+12x⁴-6x² by 2x²

For each proportion find the unknown number x 1/5/8=×/15

10% of 1,900,000. show me how you got the answer

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?