can anyone please be my friend i only have one friend pls when i see others friends in i become so sad this is not jelousy but pls i beg u atleast one of u pls

Hurry: the angle measures associated with which set of ordered pairs share the same reference angle? (-square-root 3/2, 1/2) , (-1/2, -square-root 3/2) (1/2, -square-root 3/2) , (-square-root 3/2, 1/2) (-1/2, -square-root 3/2), (1/2, square-root 3/2) (square-root 3/2, 1/2) , (1/2, square-root 3/2)

Identify one similarity between china and europe that explains their decisions on wether to explore or conquer lands around the indian ocean

What is the correct way to represent 5600 l using scientific notation? a)-5.6 x 1034 b)-5.6 x 10-3 l c)5.6 x 10-3l d)5.6 x 103 l