What is 317,291 rounded to the nearest ten thousand? i'm very confused, ( don't judge me because i am just in fourth grade and i really need to get used to it, )

Is the product of seventeen negative numbers, positive or negative ?

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

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?