Answer:14
Step-by-step explanation: minus *minus = + so its +27
and then you just do the maths 27-13=14
A)Theorem. every theorem can be proved.
Answer:
To get to -3 you can do 1+-4
You must factoring the number 192, you will get 192=2^6*3, so you have square root(2^6*3)=2^(6/2)*root(3) applying enhancing property.
Solve the exponent and you get =2^3*root(3)= 8*root(3)