Ineed the answer, had to solve for homework and still working on it?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6