Help plsss Write an explicit formula for an, the nth term of the sequence 19, 25, 31,

Which of those sequences is a geometric sequence

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.

What is the solution to the system of equations? y=1.5-3 y=-x