Answer:

Step-by-step explanation:
use the website math_way. Literally just type math_way into a search engine, then it will be the first thing to come up.
Start by subtracting 8 on both sides.
Multiply both sides by 5.
X=50
The answer is 50.
Answer:
X=36
Step-by-step explanation:
90-54=36
Right angle 90 subtract 54
The missing angle x is 36
Answer: 0
Step-by-step explanation:
The disciminant \Delta tells you how many real solutions a quadratic equation has, depending on its sign:
\Delta>0\implies\text{2 solutions}\\\Delta=0\implies\text{1 solution}\\\Delta<0\implies\text{no solutions}
(4,9) is in quarter I and (4,-9) is in quarter IV of the graph. (4,-9) is the point (4,9) reflected over the x-axis. they are similar bc both have 4 as their x coordinate.