Determine wether it is a function or not. If possible, write each function using function notation. X^2+ y^2=5

Ineed with this. the figure is made up of a square and a rectangle. find the area of the shaded region.

Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on

What is the solution to the division problem below x3+x2-11x+4/x+4