A because the line of symmetry is where the two parts of the image will meet
The coordinates of the midpoint if the endpoints are (x₁,y₁) and (x₂,y₂):

One endpoint is (3,5), the midpoint is (5,-11). The other endpoint is (x,y).

The coordinates of endpoint M are (7,-27).
Answer:
The standard deviation is 9.34
Step-by-step explanation:
First we need to find mean of the sample:

Standard deviation will be like below:

Answer:
Step-by-step explanation:
m÷350 = 299
m = 299×350 = 104,650