Can someone help me with 3x+5=11

The circumference of a circle is 5 pi cm. what is the area of the circle?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph