So far, two-thirds of the seniors bought prom tickets. If they need a minimum of 250 people to attend in order keep the venue, how many students must be in the senior dass to ensure they sold enough tickets?

Guys i really need or i have to stay late up night

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit

If angle ase measures 168 degrees, find the measure of angle dse. the figure mag not be drawn to scale