Answer:
2-12i
Step-by-step explanation:
I think I am sorry if I gave you the wrong answer. But Good luck!
Answer: 
Step-by-step explanation:
Given
Length of board is 
It is divided into 4 equal pieces i.e. length of each piece is

If
of an inch is removed from one of the pieces then,

U got to do base times height
Answer:
7.83 * 10^-7.
Step-by-step explanation:
Because the number is < 0 the exponent will be negative. There are 7 digits after the decimal point up to and including the 7, so the exponent is -7.
Answer:
4√6 or 9.798 to the nearest thousandth.
Step-by-step explanation:
This is √(8*12)
= √96
= √16*√6
= 4√6.