Please help me ASAP!!

Evaluate the given expression if m=45 |-3m|

What is (28 + 7 + 6 + 3) x 1/2 show your work

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