The bar graph shows the number of students who earned each letter grade on an exam. Which statement about the graph is true? 1/5 of the students earned a C.

3% more students earned an A than a B.

20% of the class earned a D.

1/4 of the class earned a B

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)