Answer:

Step-by-step explanation:
Consider the trapezoid ABCD. In this trapezoid BC=a and AD=b.
Since triangles BOC and AOD are somilar, then

Triangles OAE and CAB are similar, then

This means that

Similarly, from similar triangles FDO and CDB:

Thus,

Answer:
You should be thinking about a negative number. In fact, you should be thinking about a number that is the opposite of 5! -5! So, the additive inverse of 5 is -5
Step-by-step explanation:
Answer:
Hello! Your answer would be, BELOW
Step-by-step explanation:

A term is a single mathematical expression. It may be a single number (positive or negative), a single variable ( a letter ), several variables multiplied but never added or subtracted. Some terms contain variables with a number in front of them. The number in front of a term is called a coefficient.
Term's are 7x and 5
<u>Hope I helped! Ask me anything if you have questions! Brainiest plz. Hope You make a 100%! Have a nice day! -Amelia♥</u>
Hello,
the length of the circomference is 2*π*radius
=2*π*105=659,7344572538565800771551104887... (m)
Answer:

Step-by-step explanation:
Collect like terms

Collect like terms again and you get 
Hope this helps ʕ•ᴥ•ʔ