Answer:
D. m+n=n+m
Step-by-step explanation:
Communitive property of addition just changes the order of the addend and the sum stays the same.
<span>The northern California study with a margin of error of 3.2%.</span>
Answer:
x + 14 = 2(x + 6)
x = 2
Step-by-step explanation:
Let
Algebra book age = x
Chemistry book age = x + 8
In 6 years time
Chemistry book age = x + 8 + 6
= x + 14
Algebra book age = x + 6
the chemistry book will be twice as old as the Algebra book.
x + 14 = 2(x+6)
x + 14 = 2x + 12
x - 2x = 12 - 14
- x = - 2
Divide both sides by -1
x = 2
Check:
Chemistry book age = x + 14
= 2 + 14
= 16
Algebra book age = x + 6
= 2 + 6
= 8
Answer:
the 2nd 3rd and 4th answers are the correct ones
Step-by-step explanation:
hope this helps you
Answer:
$32.5
Step-by-step explanation:
I hope this helps.
