The 4 corners of a rectangular city block are located at ( -5, -2 ), ( -5, 9), (9, 9) and (9, -2) on a 4 quadrant coordinate grid. Randy walks all the way around the block and stops when he gets back to where he started. Each unit on the grid represents 10 meters. how many meters does Randy walk?

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

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.