HELP PLEASE RIGHT NOW can someone find FG = ?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12