A ladder leans on the side of a building. If the top of the ladder reaches 8 ft high and forms an angle of 64°, with the building's side, how far is the base of the ladder from the bottom of the building? plz help​

What else equals 42 and 30 for multiply

Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)

Meee i honestly dont know what this question talking about