Answer:
We are to find the error made by Sadie and then find the correct simplification.
The error Sadie made is that she wrote 
as 
instead of 
.
The square root of 
is 
and so she could have further simplified.
The correct simplification is shown below:
Answer:E
Step-by-step explanation:
Type it all into a calculator
By pythagorean thoerm u can find
Hy^2=length^2+base^2
Currently, you would ask "How long does it take to get from Rotherham to London?" You would do 156/60, which would be 2.6 hours. 2.6 hours is 156 minutes (2 hours, 36 minutes).
9:36 is when Kim would reach London, so yes.
1.75ft/second. 3.5/2 simplifies to 1.75/1.
