The triangular region shows the number of possible red apples, x, and the number of possible green apples, y, a person can use in a fruit basket.

which combination of red and green apples can the person use?

40 red apples and 35 green apples

40 red apples and 12 green apples

35 red apples and 30 green apples

30 red apples and 18 green apples

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