The inequality graphed below represents the ages, a, of players on a baseball team. Which inequality represents the same ages?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!