Take second equation here,
2x + 9 = -12
2x = -12 - 9
2x = -21
Multiply by 2,
4x = -42
Now, substitute the vaue of 4x in 1st equation,
-42 - y = 2
-y = 2 + 42
y = -44
In short, Your Answer would be -44
Hope this helps!
The vertex form of the function f(x) is
.
<h2>Given </h2>
Function; 
<h3>What is the vertex form of function?</h3>
The vertex of a parabola is the point at which the parabola passes through its axis of symmetry.
The standard equation which represents the vertex form of the function is;

Where h and k are vertexes of the given parabola.
The function is in vertex form;

Hence, the vertex form of the function f(x) is
.
To know more about the Vertex form lick the link given below.
brainly.com/question/9070346
There are 4 variables in the expression. The variables are: a,b,c and d.
8d^2 = variable d
2bc = variables b and c
10ab = variables a and b
Answer:where’s the number line?
Step-by-step explanation:
Cubes
Triangular prisms
Rectangular prisms
Square prisms
Square prisms