The average distance from the sun to the planet mercury is about 58,000,000km the distance of a human hair is about 0.0025
what is the distance from the sun to mercury

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

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?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.