Tìm x Z, sao cho: a)(x1)2 1 b)72x6 49
c) (2x16)7 128
e ) 1 0 5  (1 3 5  7 x ) : 9  9 7 f) [3(x2):7]4120 g) x(x1)0
h)x3x2 28:23

6people equally share 56 gummy worms. how many gummy worms does each person get? nine and one sixth gummy worms nine and two sixths gummy worms ten and one sixth gummy worms ten and two eighths gummy worms

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

How can you construct perpendicular lines and prove theorems about perpendicular lines