For what value of Fj must triangle FGJ be similar to triangle FHG

Which is an equation for the nth terms of the sequence 12,15,18,21

Find parametric equations for the line. (enter your answers as a comma-separated list of equations. let x, y, and z be functions of t.) the line in the direction of the vector 5 i + 5 j − 6k and through the point (−4, 4, −2).

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm