Pencils are sold in packages of 5. explain why we need 6 packages in order to have enough for 27 students

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?