6 [ 4 × ( 72 - 63 ) ÷ 3 ]

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer