Answer:
3sqrt(2) ................
Answer:
The equivalent expression is:

Step-by-step explanation:
We have been given the equation:

Equivalent expression can be computed by solving the expression ai its maximum.
We can factorize the given equation:
By using 
Here, 
Hence, we get the equation below:

Therefore, the equivalent expression is:

The difference of their speeds is 1.3 mph because Andrew was walking 4.5 mph and Jill was walking 3.2mph.
Hello,
sin y=4/20=1/5
==> y=11,5369590...°