If p is a positive integer, and 4 is the remainder when p-8 is divided by 5, which of the following could be the value of p?

The anwser cause i do not understand just plez

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

Ben frank is an electrician who installs lighting fixtures. he charges (in dollars) his clients 15h+40f15h+40f where hh is the number of hours worked and ff is the number of fixtures installed. how much does ben frank charge when he works 77 hours and installs 99 fixtures?