The sum of 2 positive integers a MB is at least 30 the difference of the 2 indigenes is at least 10 if B is the greater in to which system of inequalities could have doesn't the values of a And b

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 17= -13 - 8x and show your work.

Complete each statement. an event with a probability of 0 is an event with a probability of 1 is