Answer:
D
Step-by-step explanation:
Under a clockwise rotation about the origin of 90°
a point (x, y ) → (y, - x ) , thus
X(- 1, - 3 ) → X'(- 3, 1 )
Y(0, 0 ) → Y'(0, 0 )
Z(1, - 3 ) → Z'(- 3, - 1 )
Answer: K = -14
Step-by-step explanation: solve for k by simplifying both sides of the equation then isolating the variable
Each teacher should receive 108 pencils
B) 405 m
tan(5) = x/4629
4629tan(5) = 404.9
Round up
x=405 m