How many thirds are in 1

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

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.