If θ is in Quadrant II and sin θ = √3/2 what is the cos θ? A. -√3/2
B. -1/2
C. 1/4
D. 1/2
E. √3/2

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?