Enter the decimal represented by the shaded square.
The shaded square represents__?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Yvaries inversely as x. y =12 when x=5. find y when x=4