Yes 678.05 is greater than 67.805 (because obviously 678 is greater than 67 right? ^ - ^)
15/35 of her attempts were successful.
Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.
Answer:
Step-by-step explanation:

Hint: 1 - Cos² A = Sin² A