Figure B is a scaled copy of Figure A. What is the scale factor from Figure A to Figure B?

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

Need same math paper but the back now i hope your able to read it cleary i need with hw

What is the radius of the cone in the diagram? round your answer to the nearest whole number