Answer:
c
Step-by-step explanation:
75 is supplementary to angle b. then angle a = 180-75=105
Answer:
Hey buddy
Using pythagoras theorem for this question is the easiest and fastest method. Using sin or cosine rule will complicate it and it requires atleat one angle value to be quoted. So try to use the method in which I have solved this for you.
Going down stream the boats going 21 mph and upstream it's 3 miles per hour so the current im guessing is 7 mph
The tip would be 3.90 so your total would be $36.36
Answer: i believe the correct formula is A
Step-by-step explanation: