An electrician charges $40 per hour to do an initial service fee of $75. He changed a customer $195 for 3 hours of work. When this linear relationship is graphed, which value represents the slope?

3
40
75
195

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?