How many different three-letter passwords can be formed from the letters a, b, c, d, e, and f if no repetition of letters is allowed?

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

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply

Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.