Answer:
25%
Step-by-step explanation:
9/36 = 0.25
25% are chocolate.
Answer:
See below
Step-by-step explanation:
x(x-2y)-(y-x)2
Final result :
-y2
Step by step solution :
Step 1 :
Equation at the end of step 1 :
x • (x - 2y) - (y - x)2
Step 2 :
2.1 Evaluate : (y-x)2 = y2-2xy+x2
Final result :
-y2
(2x+1)(x-2) = 2x^2 - 4x +x -2= 2x^2-3x-2