Claires mother is 4 years more than twice claires age

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth

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.