2. Write in statement forms : a) p+4=15 b) 3/5= 6

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Which one is the correct answer, and why?