The measures of the three of the interior angles of a quadrilateral are 60°, 110°, and 90°. what is the measure of the fourth angle of this quadrilateral?

a 20°

b 40°

c 100°

d 180°

Which graph represents the following piecewise defined function?

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?