Franklin uses three eggs to make a large omelette and two eggs to make a small omelette. how many eggs would he need to make five large omelette and four small omelettes ?

Simplify the expression 10/11(22z) + (a+5) -1

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?