Who on connections academy can me with the chaos and theory portfolio worksheet?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

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.