Please answer this all question s ?
i want solution of these sums please i am giving 20 points

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.

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265