2) Robert is trying to raise money for the children. Last year Robert raised $85. While this year he raised $125. By what percentage was the amount raised increased from last year?

Chamberlin wants to bottle 1\8 of her apple cider. she pours the apple cider evenly among 6 bottles. what fraction of her apple cider will she put in each bottle? what expression could represent this situation?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

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.