Which algebraic representation of a transformation on a coordinate grid does NOT preserve congruence? A. ( x, y) -> ( x + 6, y + 6)

B. (x, y) -> (-x, y)

C. (x, y) -> (6x, 6y)

D. (x, y) -> (-y, x)

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Math each whole number with a rational,exponential expression