Manufacturing time per unit for a new aircraft tends to decrease each time the total number of units double. Does this statement have a link between correlation and causation?

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?