Rochelle can run 800 meters in 5 minut At that rate, how many meters can
Rochelle run in 9 minutes?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

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.