Answer:
60 degrees
Step-by-step explanation:
If each side of the triangle WRD is 3 inches long, then WRD is an equilateral triangle, meaning all angles are the same size. Since there are 180 degrees in a triangle, 180/3 = 60 degrees.
The submarine would be 900 below the ocean surface after 12 minutes assuming it started its descent at the surface of the ocean.
For every hour they studied their grade will go up by 9.6 points
The answer is b
Hope this helps
