I got a 90% on my quiz. Thanks to everyone who helped me! Also this is a really is question but I'm to lazy to do it. Can someone give me the answer to this? (Question in the picture)

What ratio is proportional to 18/21

An expression for the average of x 2x and 3y

On her way to work, mrs. larsen gets a green light at a certain traffic light only 30% of the time. she wants to find the probability that she will get a green light at this traffic light all five mornings that she travels to work next week. use the following randomly generated list of 200 five-digit numbers to answer the questions and find the probability. select the digits you will use to represent a favorable outcome. how many favorable outcomes are on this list? what are they? given this simulation, what is the probability that mrs. larsen will get a green light at this traffic light all five mornings next week?