HELP FAST! TRUE OR FALSE , RIGHT ANSWERS ONLY

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.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

Im so bad at fractions they are not my best math thing to work on