Math 10 points
must answer both questions to be marked brainlest

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?