16/21 divided by 4/9 is equivalent to 16/21 x 9/4 = 144/84 which reduces to 12/7. So 12/7 is your answer.
Answer:a)680cu.ft
b)180cu.ft
Hope this helped you...
Step-by-step explanation:
Answer:
(1,1)(2,4)(3,9)(4,16)
Step-by-step explanation:
It's not proportional therefore it's not LINEAR.