Answer:
The second one
Step-by-step explanation:
x+6=2x (picture shows)
x=6 (algebra)
3x+1=19
2x+7=19
PQ=QR
SQ=SQ
SAS
Answer:
I am not smart at math, but I wanted to try to help you.
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
ln e ^4
Natural log and e are opposites so they cancel and leave
4
Answer:
D. 10 units
Step-by-step explanation:
Use pythagorean theorem


Step-by-step explanation and the Answer:

Combine Like Terms. Now the equation looks like this:
Then Subtract
from both sides. Then the equation looks like this after u subtract
from both sides: 
Now divide
from both sides. Now the equation looks like this after u Divide
from both sides: 
So therefore the answer is
.