75/135 and 18/135
just times 9 and 15, 9 and 2, and then 15 and 5
Answer:
Negative correlation
Step-by-step explanation:
Step-by-step explanation:
Volume= [(20+20) x (20+20) x 100] - (20 x 20 x 100)
=120000cm^3
surface area= 2 x 40 x 100 + 2 x (40 x 40 - 20 x 20) + 4 x 20 x 100
=18400cm^2