1) on a city map drawn on a coordinate plane, the city park is located at (20, 4) and the school is at (20, 9). what is the distance between the park and the school in the map units?

5 units

11 units

13 units

16 units

2) a rectangular plot of land is represented on a coordinate plane where each unit is one foot. the vertices are at (50, 20), (50, 90), (100, 20) and (100, 90). what is the perimeter of the rectangular plot?

120 feet

240 feet

520 feet

3500 feet

An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the asian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) = 0.2 and p(b) = 0.8. (a) if the asian project is not successful, what is the probability that the european project is also not successful? (b) what is the probability that at least one of the two projects will be successful? (c) given that at least one of the two projects is successful, what is the probability that only the asian project is successful? (round your answer to three decimal places.)