Point (7, 8) is rotated 990 degrees counterclockwise about the origin . What is the Xcoordinate of the point after this rotation ?

Factor the monomial completely 42a3b3

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm