Math question easy problem giving brainlist and 30 points!

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

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

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg