Answer:

Step-by-step explanation:
We can subtract a term from another if they have the same variable. Both
and
have the variable
, so we can subtract them.
When subtracting these terms, we subtract the coefficients and keep the variable.
So:

Hope this helped!
Ok...
700 m = 0.7 km
5 minutes = 5/60 hours
Then, speed is:
S= 0.7 km / (5/60) hours = 8.4 km/hola
Good luck!
M.
A. 8 x 10^ -4
D. 3 x 10^ -2
Search up heating curve chemistry: it should look somewhat like that lol :). But, the last interval should have a small slope, the middle interval a big slope, and the first interval: a medium slope.