Sky high school ordered two laser printers plus a supply of toner cartridges for them. each printer cost $675, and each cartridges cost $80. if the total cost was $2310, how many cartridges were ordered?

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Me because some of question i don’t understand

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25