Answer:
The answer, also the only answer, is C.
Step-by-step explanation:
A: 20 is 1/2 of 40, so you would arrive at Seneca Falls in half an hour.
B: Same as a, 2 is 1/2 of 4, so you would also arrive to school in half an hour.
C: 60 is double 30, so it would take two hours to get from Albany to New York City.
Answer:
c
Step-by-step explanation:
Special cases of the sum and difference formulas for sine and cosine yields what is known as the double‐angle identities and the half‐angle identities.
I wish I knew this one also
