3/5 + 3 1/2
Imma Need some help

What is the length of bc ? enter your answer in the box.bc =

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

What is the binomial expansion of (2x-3)^5