At should be added to a+
3b+c to get 3a+5b+7c?

Cody worked 42.5 hours per week in july. this is 12.25 hours more per week than he worked in june.how many hours did cody work per week in june?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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.