Wolf lake middle school has decided to re-paint all the classrooms. the painting company is charging for the cost of the paint plus an hourly fee to paint the rooms. the graph shows the cost of paintings c, for t hours which linear function does the graph represent
A. c=325+75t
B.=75+50t
C. C=50t
D. C=75t
chose the phrase that correctly the statements:the initial value represents
A. the cost of the paint
B. the hourly pay
C. the numbers of painters

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.