freezing point. 32 or below is freezing point.
V = lwh
15(10.5)(4.5) = 708.75
20 total
6 have average of 5 years
6 x 5 = 30
20-6 = 14
14 have average of 8 years
14 x 8 = 112
112 + 30 = 142
142 / 20 = 7.1 years
A parallelogram is a four-sided figure with opposite sides parallel.
