Prove: triangle ABE is congruent to triangle CDE

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.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Which shows a reasonable estimation for 124% of 42 using the distributive property?