Xavier just completed a typing class. During his last typing exam he found that he could type 92 words in four minutes. Assuming Xavier types at a constant rate, write the linear equation that represents the situation. show your work below. ​

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.