Identify the equations with x=3 as a solution A: x+3=4(x+1)+2
B: 2x-8=7-3x
C: 3(x+2)=14-x
D 4(x-1)=x+5
E: 5-2(x+1)=x
F: 6(x-4)=2x
please help

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa

The value of cos 30° is the same as which of the following?