Step-by-step explanation:
what i understand is x is a axis
Answer:
D is your answer
1. d/a+c=d
2. (m+21)/5=n
3. (1/2+2q)*4=p or 2+8q=p
4. (p-2a)/2pi=r
5. {[(5c+1)/2]+c}/3=a
Please see attachments for step by step guide and answers.