20 PTS! What is the radius of the circle x^2 + y^2 - 9x + 8 = 0?

Write your answer in simplified, rationalized form.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the 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.

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811