Answer:
8
Step-by-step explanation:
this 3 qub root of 512 is 8
Answer: Yes, there are congruent.
Step-by-step explanation: A triangle is congruent if the <em><u>same shape and size.</u></em> In this figure, they're congruent.
<h2><u><em>I hope this helps you! </em></u></h2>
Answer:
B=9 (I'll solve right now, just so you get the answer)
Step-by-step explanation:

Expand right side by distributing

Use the FOIL method to simplify (first, outside, inside, last):


Simplify

Re-insert

Cancel out 

Move all terms to one side

Simplify

Factor out the common term 2

Answer:
x - 3 < -5 is the inequality x < -2 is the solution
Step-by-step explanation:
x - 3 < -5
add 3
x < -2