The circumference of a circle is 40.8 centimeters. What is the area of the circle, rounded to the nearest tenth? Use 3.14 for ft. Enter the answer in the box.

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4