Question

the mean preposition between 81 and 256 will be
(A). 120
(B). 140
(C). 144
(D). 156​

Answer 1

Answer:

c 144

Step-by-step explanation:

let x be mean proportion

x²=81×256

x= underoot of 20736

x= 144

Answer 2

Answer:

144

Step-by-step explanation:

hope it will be helpful to you