√(21 - x)
= √(21 - 9)
= √12
= 2√3
answer
B 2√3
Answer: The correct expression is (A) 6b.
Step-by-step explanation: Given that Serena is writing an expression that is equivalent to (12ab - 6b), but she has not completed it.
The incomplete expression is ?(2a - 1).
We are to find the missing term from the above incomplete expression.
We have
Thus, the complete expression is 6b(2a - 1).
Option (A) is correct.
Well, if you divide 140 by 18 you get the unit rate/price. $7.78 is the rounded total!
The exponent "product rule" tells somebody/you that, when multiplying two powers that have the same base, you can add the exponents.
Have a good day! ``)