Whats the definition of S. A.S​

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.

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25