Write an expression equivalent to 4x 12 by combining like terms.

It says factor each expression completely 8y+48

I’m really confused and need your assist me with this question i’ve never been taught

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