At long bridge middle school 240 student said that they are an only child which is 48% at school student enrollment how many students at how long

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.