Ihave to find the circumference of a circle that has a radius of 5 how do i do it?
then i have another circle that i have to find the circumference with a diameter of 5 how do i find it?

What number produces an irrational number when multiplied by -1.25

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico