How to Calculate Golf Ball Range and Height Without Initial Velocity?

[calalily_16]

i'm really stuck on this problem, i need help desperately!

a golfer hits a golf ball across ground level at an angle of 15 degrees. what is the range and maximum height of the golfball?

i wasn't given any initial velocity so is this question doable?

 

[Dick]

It's doable if you express the answer in terms of the unknown initial velocity v.