Okay for this question the answer is x=0.
Foil
15+6i-20i-8i^2
-8i^2=8
15+8+6i-20i
23-14i
9514 1404 393
Answer:
20 2/3 miles
Step-by-step explanation:
Altogether Jamal hiked 1 + 1 9/11 times the length of the first trail:
(2 9/11)(7 1/3) = (31/11)(22/3) = 62/3 = 20 2/3
Jamal hiked 20 2/3 miles.