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


Emma wanted to buy some apples from the store. They each cost $0.5. If Emma paid $12.5 in total, how many apples did Emma buy?
The answer is false because you would still have $3 left over
The answer is 8:14. this can be simplified to 4:7 (divide by 2).
Y=Mx+b OR y= slopex+ y intercept
y=9x-8