8x - 2x= |8 - 80| just need to solve the x

What is the solution of log2  (3x  -  7)  =  3? 4 5

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

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.