Answer:
pls be more cleare
Step-by-step explanation:
type the question properly and clearly
The average can be calclculated as follows:
average = sum of number/number of numbers
average = (19+45) / 2 = 64/2 = 32
Surface area = 2(12*12+15*12+15*12) = 1008
1008 * 4 = 4032
120
6x5x4=120
hope this helps
