Answer:
should be 15...
Step-by-step explanation:
Divide both sides by -5 to get x= -13
A binomial squared is written like

So, we have 
So, we want to complete the square 
We can add and subtract 9 to write

Answer: 28/r+4
Step-by-step explanation: Divide each term by r + 4 and simplify
Answer:
31 degrees
Step-by-step explanation:
Not sure where angle B is, but
90-59= 31