Which scale has a scale factor of 1/18? a. 3 in = 6 ft c. 3 in = 54 ft b. 6 in = 9 ft d. 6 in = 6 ft

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Asphere has a diameter of 10 in. what is the volume of the sphere?