X/x - (x + y); use x = 3, and y = 2.9

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?