Answer:

Step-by-step explanation:
Given the expression

Remove parentheses: (a)=a

Group like terms

Add similar elements
∵ 
Add similar elements
∵ 
Thus, the equivalent expression in simplified form:

Answer:
The correct ans is 3.
g(-2) = 2(-2) + 5
=-4 + 5 = 1
f(g(-2)) = 4 - (1)^2
= 4 - 1
=3
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given , value of x = 12
To find : Value of the given expression
Given expression = 
plug the value of x

Subtract 7 from 12

Hope I helped!
Best regards! :D
The answer is:
A solid and a plane.
Answer:
71
Step-by-step explanation:
Uhhhhh so you owe 2 dollars to this dud and you have 73 bucks and you take away two