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:
811 feet
Step-by-step explanation:
When finding height difference, you use absolute value, so everything is positive. 747+64 = 811, so your answer is 811 feet.
Hope this helps!
One cubic mile represent the volume of a cube with sides length equal 1 mile
hope this helped
6 1/10
Step-by-step explanation:
4 + 1/2+1+3/5
5+1+1/10=6 1/10
Answer:
50km/h is 13.89m/s
and the lorry is only going 13.5m/s
Step-by-step explanation: