3 - 5 helppp me pleasee??

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?