Answer:
Hi use the attached formula to calculate the midpoints
Attached also is an example
Hope this helps
Answer:
D
Step-by-step explanation:

Step-by-step explanation:
d=20
r=10
π=3



90,000,000 is the answer
Step-by-step explanation:
You're on the right track. Start by combining like terms on the left side of the equation by adding 56 and 34.
90 = n + 30, now subtract 30 from both sides of the equation to isolate the variable n.
60 = n is the answer.