Step-by-step explanation:
7 (-12) = -84
it's literally -84
Answer:
The answer is 50 degrees
Step-by-step explanation:
The small box at the corner of the triangle indicates that the triangle is exactly 90 degrees, or a right angle. In order to solve the expression, you would need to do 40 + x = 90, which would be x = 50
The composite function as shown is 
<h3>Composite functions</h3>
Given the following fnctions

The composite function g(f(x)) is expressed as:

Hence the composite function as shown is 
Learn more on composite function here: brainly.com/question/10687170
Answer:
It should be A if im not corect
Step-by-step explanation: