The triangle in the question
Answer:

Step-by-step explanation:

Answer:
Exact form : - 27/40
Decimal form : -0.675
Step-by-step explanation: Reduce the expression, if possible, by cancelling the common factors.
I hope this helps you out! :)
Answer:

Step-by-step explanation:
There are no restrictions on the possible values of
, because you can square any number.
Because
can be anything, the domain is all reals or
which means
can be any real number.