Can somebody help me ??

R = 7

Step-by-step explanation:

The midpoint was to be exactly in the middle of two points. So the difference between P = -11 and Q = -2 is 9.

-11 + 9 = -2

So the difference between Q and R will be the same so.

-2 + 9 = 7

You have to had since you're going up or higher.

HOPE THIS HELPED!!

add 5 subtract 1

step-by-step explanation:

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d