Mauri measures the width of her classroom to the nearest hundredth of a foot and finds that the width is 21.25 ft. Ali measures the length of her classroom to the nearest foot and finds that the length is 41 ft. use the correct number of significant digits to write the area of the classroom.

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?

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i

Find the distance between the point (-3,-4), and (see the picture below)