PLS ANSWER FAST What translation rule can be used to describe the result on the composition (x, y) -> (x-9, y-2) and (x, y)-. (x_ 1, y-2)

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

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.

Having a hard time understanding this question (see attachment).