Atruck weighs 5,400 pounds. an open-wheel race car weighs 1/4 as much. how much does the race car weigh

What is the equation of the graph below? y=sec(x)-4

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

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