Who wants to be my best friend in

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Which letters from the table represent like terms? a and b b and c a and d b and d

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)