Answer:
x ≤ 90?
Step-by-step explanation:
If u separate these into 2 triangles then they will become 90 degree triangles so angle a=angle c.
Answer:
Yes
Step-by-step explanation:

Answer:
11b+5
Step-by-step explanation:
Answer:
Step-by-step explanation:
What you are doing is removing the brackets. That shows up as multiplying both terms inside the brackets by the factor outside the brackets (2).
This is a classic example of the distributive property.