Select "Yes" or "No" to indicate whether the ordered pair is on the graph of the function f(x)=−21x+1 . Ordered Pairs Yes No (−1,−1) Yes – ( −1,−1 ) No – ( −1,−1 ) (1,−441) Yes – ( 1,−441 ) No – ( 1,−441 ) (0,21) Yes – ( 0,21 ) No – ( 0,21 )

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

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.