What is the slope = 5 through (3,13)

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x. (30 points pls )

What is the total surface area of this square pyramid?

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.