Answer:

Step-by-step explanation:
when solving and equation with a variable, you must work backwards and do the opposite of the equation
sooo… you must subtract 4 (opposite of +4 is -4)

x=12
Answer:
You have to say which one is the shaded region the circle or the rectangle
Step-by-step explanation:
Answer:
67
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Passes through the x-axis at r and k