Are the equations – 2x = 10 and -5x = 25 equivalent? Explain

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

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.