Find the slope of the line that passes through -1,-3 and -9,7

What is the radical expression that is equivalent to the expression 27 1 over 5?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

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.