Tilly the dog barks every 9 seconds. billy the dog barks every 12 seconds. they both bark at the same time. after how many seconds will they next bark at the same time?

Which of these tables represents a non-linear function?

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.