I need a bit of assisting of how to do this

Step-by-step explanation:

We want to combine alike terms.

so

1/3m - 1/4m

&

10+7

To add or subtract fractions the decimals need to be the same. We'll multiply 1/3 by 4/4 and 1/4 by 3/3 to get both denominators to 12

1/3 = 4/12

1/4 = 3/12

now we subtract

4/12 - 3/12

1/12m

now do 10+7

17

our simplified equation is

Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!

answer: no

step-by-step explanation: because the big angle will spread away the 2 side that it is on and make the opposite side even longer.