lyn is putting away savings for his college eduacation. every time lyn puts money in his fund, his parents put $2. What is the expression for the amount going into lyn's fund if lyn puts in L dollars?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

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.