Determine the possible zeros of the function using Descartes Rule of sigh change: 4x^3 - 12x^2 - 5x + 1

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

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?