The diagram shows a right-angled triangle. 10 cm
to
21 cm
Find the size of angle x.
Give your answer correct to 1 decimal place.

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Solve: 3x+y=6 4x-2y=18 show all work !

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?