Can anyone help me please

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

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17