39.65 is the approximate value of arccos0.77
Answer:
Step-by-step explanation:
What is the slope please
Let

If M is the midpoint, the x and y coordinates of M are the average of the x and y coordinates of P and Q:

We can solve this expression for the coordinates of Q:


Plug in the values for the coordinates of M and P to get


Answer:
103
Step-by-step explanation:
simplify to 81 + 27 - 5