The lower portion of the crust and the upper mantle combine to form the . Here is where you'd find Earth's tectonic plates. asthenosphere

oceanic crust

continental crust

lithosphere

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

1foot = 12 inches; 1 yard = 3 feet

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.