Mrs.Kennedy can divide 315 by 10 and then when she gets her answer she can round up to get her answer.
Answer: 4th root of (1/x)^5
Step-by-step explanation: negative exponent makes the x become 1/x. The 4 goes to the outside of the radical, and the 5 stays as the exponent
The answer is 1+x2 I think
11ft 8in + 2ft 9in =14ft 5in