She should buy at the second store due to the fact that you are getting 6 mora for the same price (if you were to buy 30$ worth from the first one)
The answer is 67.6
You have to find the angle that has cos=8/21=0.381.
Answer: 5
Step-by-step explanation:
5 multiples by itself 4 times is 625.
5 x 5 x 5 x 5