Answer:
60(a+b) means that you would have to distribute
While 60a+ 60b is already in it's simplest form
The coefficient is 9 because it is not talking about the variable or power.
Answer:
B
Step-by-step explanation:
i hate math
Answer:
I believe that the reciprocal of -1
Hope this helps
Step-by-step explanation:
this depends. you can measure angles in real life with a protractor or just use your eye. let us start with the protractor. place the midpoint of a protractor on the vertex of the angle and make sure it lines up to 0. on the other side read the degrees (make sure everything aligns). without a protractor you can use the Sine Formula and measure the lines.