Answer:

Step-by-step explanation:



Hope this helps :)
L = 8 + T
L = 2T
You can combine them
2T = 8 + T
T = 8
If Tim walked 8, Lisa walked twice as much which is 16
Answer:
The denominator is all real numbers except 0.
Step-by-step explanation:
In the function f(x) = 1/x, x appears in the denominator. A denominator cannot be zero since division by zero is undefined.
To find what values of x must be excluded from the domain, set the denominator equal to zero, and solve for x.
x = 0
The denominator is all real numbers except 0.