Asmall towns phone numbers all start with 337, 352, or 363. how many phone numbers are available

What is the slope of the line (-7,2) (4,6)

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !