Step-by-step explanation:

b. Since csc theta = 1/sin theta, we can multiply both sides by sin theta and you will end up with

which is an identity.
Answer:
Ok
Step-by-step explanation:
After the music store he had $14 left, because 21:3=7 and 7x2 equals 14.
After the drink, he has $3.5 left, because 14:4=3.5 and 3.5x1=3.5.
Conclusion: that is one expensive drink. (Answer is 3 dollars and 50 cents. Hope this helped:)
Answer:
yes because any input of time results in only one output of altitude
yes because the airplane increases and decreases in altitude at the same rate
pick either one :>