What iis 155 plus 33 minus 4 divided by 2

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.

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid