Answer:
A.
Step-by-step explanation:
Answer:
<h2><u>
True</u></h2>
Step-by-step explanation:
Answer:
x = √11
Step-by-step explanation:
2x² - 1 = 21
add 1 to both sides
2x² - 1 + 1 = 21 + 1
simplify
2x² = 22
x² = 22 / 2
x = √11
The answer is true, because there is only one number that can be squared to twelve.
Answer: y=1x+9
Step-by-step explanation: Hope this helped!!
