Pls help asap pls i need help plss this is math

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

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft