PLS HELP ASAP SO CONFUSED

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer