5x=y+25 using slope and y intercepts

Find everytime value of the variable that makes each rational expression undefined. 1. 3x/x-3 2. 5r/r^2-4 3. 2x+5/x^2+7x+12 4. 3x/4x^2-16x+15 5. 5x/5x^2-24x-5 pls answer asap po thxx

How much would 4 1/2 kilograms of pork cost if each kilogram is worth 160 pesos?

Abm bus for baguio city leaves manila every 30 minutes. jbm bus for baguio city leaves manila for every 20 minutes.how often do the two buses for baguio city leaves manila at the same time? ​