who has answer key from "1.3" additional practice piecewise-defined functions? I really need the answers, it's worth 10% of my math grade. I really need those answers before Monday​

Asoccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 in

How many days was the temperature above 90 degrees?

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