Answer:

Step-by-step explanation:
Given

Required
Solve

Split:
and
Collect Like Terms
and 
and 
Combine

Answer:
±16
Step-by-step explanation:
the square root of 256 is positive or negative 16! (if it only lets you put one answer, put positive 16).
Answer:
The supplement of 65° is the angle that when added to 65° forms a straight angle (180°).
Step-by-step explanation:
Hope I <u><em>Helped!</em></u> :D
Efficiency = (output)/(input).
This could also be written as
efficiency= output/(output+losses)
or
eff=(input-losses)/input