What is 41.40 divided by 12

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?

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?