Answer:
This is an improper fraction so we need to make it a mix fraction.
Step-by-step explanation:
21/10 = 10/10+10/10+1/10
10/10=1
So your final answer will be 
Answer:
D, you simply just add 1.3 each time.
Let "x" be a substitute for "a number"
1/3(x)=x-12 Multiply by 3
x=3x-36 Get n onto the same side of the equation
2x=36 Divide by 2
x=18
That's your answer.
The absolute value of -81 has the same absolute value as that of 81 because they both have the same distance to 0.
Answer:
x = 6
Step-by-step explanation: