2:40 I think, but I may be wrong
Answer and Step-by-step explanation

2, -4, 6, -8, 10, -12, 14, -16
These are the next three numbers in the pattern :-12, 14, -16
1.5 inches for 300 miles.
300/50 = 6
So 6 x 1/4 = 6/4 AKA 1 1/2 AKA 1.5
Answer:
4 units
Step-by-step explanation:
Since the two triangles are similar, their sides are proportional. To find the length of the side, you need to use the distance formula:

The coordinates you will use are (0, 0) and (-4, 0) because they correspond to points X and Y in Triangle PQR:

Then, simplify everything under the radical:

Finally, take the square root of 16:
= 4