1 centimeter = 0.1 decimeter.
So 27 centimeters = 2.7 decimeters
QR = 23
Because the triangles are equal to each other, sides QR and TV are also equal. You can create an 3 or 4 step equation by writing the the QR equation is equal to the TV equation and then solving for X. After you solve for X, plug it back into the QR equation to solve for QR.
I'M NOT SURE
Step-by-step explanatioI'M NOTN SURE
Move the 8 over
-x=3x-8
Move the 3x over
-x-3x=8
-4x=8
Divide by -4
x=-2
Answer:

Step-by-step explanation:
Given,

To find the quotient, apply the division rule of exponents, 
Thus:

= 