At a country concert, the ratio of the number of boys to the number of girls is 2:5. If there are 250 girls, how many boys are at the concert?

What two criteria are needed for triangles to be similar

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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?