Answer:

Step-by-step explanation:




A.
Circumference = π * diameter or
π * 2*radius (diameter = 2 * radius).
So you would divide by π to get the diameter, then divide by 2 to get the radius. So A.
Answer:
D. x = t√y-7
Step-by-step explanation:
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Answer:
x = y + z
=> z = y - x
Step-by-step explanation:
Hope u understand
14.16 chances of 1 to not grow