If the area of a sector with radius 15 cm and angle 135 degrees is 4 time bigger than the area of a circle of radius x cm find the value of c

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Icould really use some with this question.