Find the angular size of a circular object with a 3-inch diameter viewed from a distance of 4 yards.

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?