This is from my sociology class and there's not that option s who is the original significant other? a. the spouse b. the parents c. the siblings d. the community at large

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

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Which is f(5) for the function –2x2 + 2x - 3?