Answer:
180 mm
Step-by-step explanation:
height : cases
105 : 7
constant of proportionality = 105/7
height of 12 cases = 12 x 105/7 = 180 mm
Answer: 3^2 * 3^8
Step-by-step explanation: 3^(4-2) * 3^(5+3)
See below. The series converges.