Answer:
9 miles.
Step-by-step explanation:
If you multiply 36 by 0.25 (1/4 as a decimal), you get 9. So the class altogether ran 9 miles.
6s⁹t³
6s⁵t ₓ s⁴t² =
= 6ₓs⁵⁺⁴t¹⁺²
= 6s⁹t³
Answer: 32°
m∠BAC = m∠CDE, therefore m∠CDE = 32°