Answer:
X=80
Step-by-step explanation:
I suppose the graph will be like this:
Since isosceles trapezoid, red lines are parallel.
X+x+20= 180
2x+20=180
2x=160
X=80
Answer:
4
Step-by-step explanation:
÷ 
(20-4) ÷ 4
16 ÷ 4=4
Answer: The required condensed expression is 
Step-by-step explanation: We are given to fully condense the following logarithmic expression assuming that all variables represent positive numbers :

We will be using the following properties of logarithms :

Therefore, from expression (i), we get

Thus, the required condensed expression is 
Answer:
No
Step-by-step explanation:
An equation doesn't consists of an equal sign, and expression what contains it
Answer:
-48
Step-by-step explanation:
order of operations