Which shape is similar to shape 1

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)

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4