The inequality question pls. my teacher hasn’t covered it in class yet but assigned this

The highest point on earth is the peak of mount everest if you climb to the top you would be approximately 29,035 feet above sea level at remembering that amount is 5280 feet percentage of the height of the mountain would you have to climb to reach a point 2 miles above sea level

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

How do i multiply two digit numbers