Harold has one bag of different-colored, same-size chips and one bag of different-colored, same-size marbles. In the first bag there are 4 blue chips, 5 red chips, and 3 black chips. In the second bag there are 5 green marbles, 4 blue marbles, and 3 red marbles. What is the probability that he will pull a blue chip and a blue marble from the bags? A)1/6
B)1/3
C)1/4
D)1/9

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

Aline passes through 3,7 and 6,9 what equation represents the line

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.