Half the sum of the books read by rita and renee equals six books. the difference in the number of books they read equals 2. how many books did each girl read?

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

In 2014, the three largest economies in the world were (listed in order, from largest): a) the u.s., china, germany. b) the u.s., china, japan. c) china, the u.s., japan. d) china, the u.s., germany.

Me because i don't understand how to do it.: )