Answer:
Coordinates of Q 
Option D is correct option.
Step-by-step explanation:
We are given:
K is the midpoint of PQ
Coordinates of P = (-9,-4)
Coordinates of K = (-1,6)
We need to find coordinates of Q
We will use the formula of midpoint: 
We are given midpoint K and
the coordinates of P we need to find
the coordinates of Q.

Now, we can write

So, we get coordinates of Q 
Option D is correct option.
Answer:
x = 8
Step-by-step explanation:
Equilateral triangle : congruent angles
3(7x+4) = 180
21x + 12 = 180
21x = 180-12
x = 168/21
x = 8
I think
8+10=18
just place 1 before 0
Answer: 7 cookies
Step-by-step explanation:
232 - 57 = 175
175 / 25 = 7