It’s solved by using the cosine rule
Answer: 15, -8
Step-by-step explanation:


Answer:
b is the answer trust me i know
Step-by-step explanation:
Allison ran 3/8 km (0.375 km) in 3 minutes.
Set up a proportion to find how long it takes for her to run 1 km

Cross multiply to get:

Solve:

x = 8 minutes