What's the equation for you are biking at a speed of 18mph. you are 3 miles behind your friend, who is biking at a speed of 12mph. how much time does it take to catch up to your friend

30 minutes

Step-by-step explanation:

the difference of your speed and your friend's speed is 6mph so you can go 6 miles per hour and 3 miles per half an hour

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb