Solve each system using elimination. -x+5y=13 x-y=15

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

The collection of beautiful oil paintings currently on display at an art gallery well defined; set not well defined; not a set