Answer:

Step-by-step explanation:
Consecutive angles of a parallelogram are are supplementay.

It's 160940 because you move the decimal point 5 places to the right
Answer:
An expression
Step-by-step explanation:
Here is what I think it is. 7 is not an example of an expression because an expression is an equation without an equal sign. I believe that an expression has more than 1 number in it, so 7 is not an expression.
Answer:
x ∈ (-oo ; 3)
Step-by-step explanation:
4x - 7 < 5
4x < 5 + 7
4x < 12
x < 12 : 4
x < 3
x ∈ (-oo ; 3)
I think The answer is 5100