The area of a circle is 9π ft². What is the circumference, in feet? Express your answer in terms of \piπ.

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.