Answer:

Step-by-step explanation:
Given.
The area of smaller version drawing is 
The Scale of the drawing is 2 in : 1 ft
Therefore, the area of actual picture on the wall.


So, the area of actual picture on the wall is 12 square feet.
-7.5 times 1/3=-2.5
To take 1/3 of something, multiply the original by the fraction.
Answer:
4/8
Step-by-step explanation:
There are an infinite number of fractions equal to 1/2, but the number line in the question has 8 spaces, and shows 1 divided into 8 pieces. Therefore, the answer to this question is likely 4/8.
(may I ask why exactly this is put as a college level problem?)
Answer:
10
Step-by-step explanation:
Since m||n the sum of given angles is equal to 180 (they are supplementary)
6x + 10 + 10x + 10 = 180 add like terms
16x + 20 = 180 subtract 20 from from both sides
16x = 160 divide both sides by 16
x = 10
The correct answer to your problem is 96