I could use some help with the following Calculus problems.

Afarmer wants to fence a rectangular area of 288 square feet next to a river. Find the length and width of the rectangle which uses the least amount of fencing if no fencing is needed along the river. Assume the length of the fence runs parallel to the river. Length: 'Number ' feet Width: 'Number ' feet Conrm that the below limit meets the oonditions to apply l'HpitaI's Rule and then solve the limit. Be sure to address these conditions in your explanation. Enter an exact numeric answer. 85in(:c} ' N b Mammal \"r" er Find the limit using I'Hopital's Rule. Enter an exact numeric value. tan(9x) lim = Number