May I get help w these last two answers I have been trying to do them for a long time now I will give u thanks and brainliest

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian 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? i need this done

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Write the equations in logarithmic form 7^3=343