Answer:

Step-by-step explanation:
The mid point can be found with the formula

The given coordinates are
and
.
Replacing coordinates in the formula, we have

Therefore, the mid point of the segment PQ is 
Answer:
-4; -3; -2; 0; 1; 3;
Step-by-step explanation:
Answer:
- A, D, E, F, H, I, M, N, O, R, S, T, U, W, Y
Explanation:
Order the letters of each day, omitting the repetitions:
MONDAY:
TUESDAY:
WEDNESDAY:
THURSDAY:
FRIDAY:
SATURDAY:
SUNDAY:
Put the letters together:
- A, D, M, N, O, Y, A, D, E, S, T, U, Y, A, D, E, N, S, W, Y, A, D, H, R, S, T, U, Y, A, D, F, I, R, Y, A, D, R, S, T, U, Y, A, D, N, S, U, Y
Delete the repetitions:
- A, D, M, N, O, Y, E, S, T, U, W, H, R, F, I.
Reorder:
- A, D, E, F, H, I, M, N, O, R, S, T, U, W, Y ← answer
To simplify begin by distributing the multiplication outside the parenthesis: