Please someone help me with this

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

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Find the area of the triangle shown 3 by 6