X^2 * 5,x^4 so B is the answer
Answer:
The expression is equal to 
The area of the scale drawing is 
Step-by-step explanation:
we know that
If two figures are similar, then the ratio of its areas is equal to the scale factor squared
let
z------> the scale factor
x------> the area of the actual room
y-----> the area of the scale drawing
so

we have


substitute and solve for y


Answer:
The equation would be Y=-1/4X+5
And in the above pic , i have graph the line , too .
Good luck ^.^
Step-by-step explanation:
a. x = 30° (180-70-80)
b. <FGA = 80°
c. vertical angles