Which of the following rules describes the pattern below?
$3,6,12,24,48,\dots$3,6,12,24,48,…
Double the previous number.
Add three to the previous number.
Subtract two from the previous number.
There is no rule.
Which of the following equations matches the rule "the value of $y$y is six less than the value of $x$x"?
Yvonne has constructed the first four triangles of a pattern using matchsticks.
Peter is making a sequence of shapes out of matchsticks.