A community garden is surrounded by a fence. The total length of the fence is 3,000 feet. For every 48 feet of fence, there are 4 posts. What is the total number of posts in the fence? Explain your answer.

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.

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The slope of the line passing through the points (2, 7) and (-4, 8) is