Using L'Hopital's rule, evaluate the limit as x approaches infinity of (sin (8x))/(5x)

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.

Write the equation in general quadratic form: plz !

Mr. t has been dating his girlfriend for one year nine months and six days how many hours has mr. t been in a relationship