Answer:
Na20+H20 -> 2NaOH
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
if you don't know it choose C
The answer would have to be
D
Answer:
1) incorrect
2) incorrect
Step-by-step explanation:
-2x-2x = 0 ?
-2x -2x = -4x
It will be 0 only if x = 0.
Not always true, so incorrect
x+x = x² ?
2x = x²
They will be equal if x = 0 or 2.
Not always true so incorrect
Answer:
12%
Step-by-step explanation:
Divide 267 by 304
Lucia got 88% correct
Lucia got 12% Incorrect