Find fhe value of k for which the solution of the inequality k(4r-5)-12r-9 is all real numbers

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'