There were 128 threatened species of animals and 144 threatened species of plants in the united states in 2001. write the ratio of threatened species of animals to threatened species of plants as a fraction in simplest form.

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.