Answer: I say B its a bit hard but i think i got it not sure but Good Luck!
Step-by-step explanation:
Answer:

Step-by-step explanation:
- Simplify




- Find the additive inverse of
by using its property - <em>"Sum of a number & its additive inverse is always zero". </em>Assume that 'x' is an additive inverse of
.


- Simplify




- Now, find the product of
& 


Answer:triangle BCD is similar to triangle ACE (side, angle C, side)
AC = 2 BC
therefore AE = 2 BD
therefore
4x+20 = 2 (3x+5) solve that
Step-by-step explanation:
If you plug in each answer, you would get 37.5 as the correct answer. all you do is multiply 37.5% and 120. That will equal 45.