Solve for c: 2(4c-7) is greater than or equal to 8(c-3)

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?

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries