Graph those on the number line
Call the region in the

-

plane, bounded by

and

,

. Then the volume under the given surface is
Answer:
D. length = 10 cm; width = 7 cm
100% sure
630 red marbles
420 yellow marbles
210 purple marbles
because 1260 x 1/2 = 630, 1260 x 1/3 = 420, 1260 x 1/6 = 210