EXPRESSION for time. PLZ HELP

[nk12]

A ball is thrown straight upward with a speed v from a point h metres above the ground. Express the time taken for the ball to strike the ground in terms of v,g and h.
(this question would be worth 4 marks on an assignment, so plz answer according to the allocated marks) Thank you:smile:

[Jameson]

I'll first say that you should show some work because you're about to get pounced on for asking for answers.

Here's my tip... what kinematic equation(s) relate(s) the variables you mentioned?