Can someone please help me explain whether this solution is correct or not?

(x-3)0.20+18.40

(0.2*x)-(0.2*3)=18.40

0.2x-0.6=18.40

+.06=+0.6

0.2x+19

/0.2 /0.2

X=19/2 or 9.50

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

Which of the following contains a variable?