Can someone help me with this

Step-by-step explanation:

For question 3, the only one, fully visible, read below the explanation.

First of all, find the slope, or gradient, or m.

Should be easy as

Then, see where the line intersects the y-axis. You should note it is at x=0, meaning the y-intercept is 0.

Knowing this:

And there you go.

answer: the answer to your question is parallel

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.