Which of the following could be rewritten as an addition problem of two integers with different signs? -30 - 27
30 - 27
30 - (-27)
30 + 27

2-digit numbers less than 91 which are 1 less than a multiple of 10

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.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)