A bookcase has 5 of these bookshelves. How many feet of shelf space is there? Do not include units (feet) in your answer.

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

I'm confused on this could anyone me and show me what i need to do to solve it.

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.