A restaurant gives away a 20% off coupon.
The tax rate is 7.5%.
If an item is listed at $15,how much does it cost after the coupon and tax?EXPLAIN!!

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

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

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?