688 472 347 283 256 (?)

8 : 256 :: ?

139. 64 : 144 : : 256 : ?

9x^2 - 256 = ___

What should be added to the difference of 6.88 and 4.25 to get 5 ?

Which one is the correct option (256)^(0. 16)xx(256)^(0. 09)=? a. 4 b. 16 c. 64 d. 256. 25

8, 25, 76, 229, 688, 2055

If the ratio of areas of two squares is 225:256 then the ratio of their perimeters is 225:256 (b) 256:225 (c) 15:16 (d) 16:15

If the ratio of areas of two squares is 225:256, then the ratio of their perimeters is \ \ \ \ \ (a) 225:256 (b) 256:225 (c) 15:16 (d) 16:15