Answer:
63 red marbles.
Step-by-step explanation:
Because the probability of drawing a red marble is 7/8, the number of red marbles = 7/8 * 72
= 7 * 9
= 63.
90-54w
use the distributive property
i).
= 8a²
ii). =
=
= 9a²b²c²
B and C
