Answer:
Step-by-step explanation:
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. y=6 is a straight line perpendicular to the y-axis at point (0,6) , which means that the range is a set of one value {6} .
Answer:
see below
Step-by-step explanation:



Hi,
To find out with ramp is higher we need to put given fractions in decimal form.

In this case friend's ramp is higher.
Hope this helps.
r3t40
You can download answer here
tinyurl.com/wpazsebu