12. Lizzy ate 2 of a sub
sandwich. Timmy ate 3
of the same sub
sandwich. How much of
the sub sandwich was
left? Remember one
whole sub sandwich
would be

For which rational expression is -2 an excluded value of x?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.