In the diagram, m angel 8= 4x°,m angle 7 = 30°, and m angle 9 = (6x – 20). find the value of x.

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

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?