Find the value of x in triangle abc

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625