Four students did a 400 meter sprint relay. henry's time was 51.10 seconds, cathryn's time was 45.26 seconds, grayson's time was 101.92 seconds, and woody's time was 62.14 seconds. what was their total time?

Find an equation of the line perpendicular to the graph.

Explain how you divide powers with like bases. discuss why the bases have to be the same. how are these rules similar to the rules for multiplying powers with like bases.

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?