According to the Stack Overflow Developers Survey of 20182 , 15.6 percent of developers do not spend time outside. If we encounter 5 [randomly selected] developers in the cafeteria, what is the probability that exactly 2 of them do not spend time outside.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

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

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?