It looks like you had some of the numbers correct, but you just labeled it and rounded it incorrectly, and the teacher gave you super partial credit for it.
For my work, I'm assuming that side A is opposite of angle A and side B is opposite of angle B, etc...
Answer: the answer is an equation
Step-by-step explanation:
7.5? well 7 1/2? there is the answer
Answer: A- most of the songs were between 3 minutes and 3.8 minutes long.
Step-by-step explanation: