7x + 15x + 27 = 247
22x = 247 -27
22x =225
X= 10.22

Finding the radius,

Plugging in our values,

Rounding to the nearest whol number,

Answer:
Choice A
Step-by-step explanation:
Use the F. O. L. D method while solving
Answer:
that is scientifically impossible
Step-by-step explanation:
one you can't add, subtract, round up, or use decimals write that down.