Surface area of a cube is n^2, n being the measurment of any one side of the cube. In this case, 13x13=169, so the answer is 169 mL^2.
Answer:
65/56 = 1 9/56
Step-by-step explanation:
Step-by-step explanation:

5x + 7
5x represents the weight of the 5 striped fish.
7 represents the fish that weighs 7 pounds.
Since beta is in the first quadrant, the final answer will be positive.
To find cos(beta) so we can use the half angle identity, we can substitute into the Pythagorean identity. Doing so gives us that

So, this means that
