1,4,2,5,3,6,4 find the next two terms

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

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.

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries