Sometimes it helps to draw it out...
(17)
C_______M_________Q
|___________________|
21
therefore, CM + MQ = CQ
17 + MQ = 21
MQ = 21 - 17
MQ = 4 <===
Answer:
Hope it helped u
Step-by-step explanation:
i think its E bc it is on the same line as the other 2 letters