Answer:
student a answered correctly
Step-by-step explanation:
student b didn't multiply the crossproducts
Answer:
take 40 degree as reference angle
using sine rule
let opposite be x
sine 40=opposite/hypotenuse
0.64=x/7
0.64*7=x
4.48=x
Step-by-step explanation:
Answer: D
Tracing
Step-by-step explanation:
Sir Arthur Conan Doyle, author of the Sherlock Holmes stories, was credited as an influence to forensic science due to his character's use of methods such as fingerprints, serology, ciphers, trace evidence, and footprints long before they were commonly used by actual British and American police forces.