What is five hundred eight thousand in standard form

Fiona joins a fruit of the month club. the entry cost was $25 and then she pays $18 per month. if she participates for 8 months, how much will she pay in all? how much in 10 months?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.