The distance around earth at the equator is about 40074 kilometers. find the equatorial diameter of earth to the nearest kilometer. a- 12762 km b- 25512 km c- 62884 km d- 6339700 km

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?