Explain why you should récord a 1 in the tens columna when you regreso in an addition problem

Can you simplify 4/7? 24 points will be awarded!

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.