Can someone help me pls pls help with this question

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

On which number line are -3 and its opposite shown

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?