Answer:
Volume = l*w*h
Equation: 1620 = 9*9*h
1620=81h
h=20 cm
1/4 = the probability of getting spiral wrapping paper
1/3 = the probability of getting a green ribbon
1/4 x 1/3 = 1/12 = the probability of getting spiral wrapping paper and a green ribbon
8
Step-by-step explanation: