20 pts solve the system of equations using the linear combination method. {4x−3y=12 7x−3y=3 enter your answers in the boxes. x = y =

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

State if the two triangles are congruent. if they are, state how you know?