Yup, that right there is a math.
30, radius is equal to half the diameter, so to get diameter from the radius, multiply the radius by two.
Answer: 35/4 miles..... (Hopefully I read correctly)
Step-by-step explanation:
(-7/2)-(-49/4)
(-7/2)+49/4
-14/4+49/4
35/4
Hope this helps!
21 divided by 7 = 3
so that means 3 x 4 is 12
Answer is 7pi (you had my explanation earlier)
