How do you find the area of a rectangle with the height of 68.6ft and a width of 67.4 ft?

In the diagram of circle o, what is the measure of zabc?

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

Hich polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3