Answer:
Step-by-step explanation:
x-3 = 0
x = 3
x + 4 = 0
x = -4
x - 2 = 0
x = 2
x = 3, -4, 2
The answer is 60% but you can make it higher if your teacher let's you correct it.
H means multiplication
1/2 x (a+b) x h
h is height
Answer:
The fraction of black pieces left is
Step-by-step explanation:
Given as :
On the checkerboard , The fraction of red pieces left = 
Let The fraction of black pieces left = x
So, The fraction of black pieces left = x = 1 - 
Or, x = 
Or, x = 
Hence The fraction of black pieces left is
Answer