Which of the following equations would have to be the second equation so that the system has no solutions? A. y = -x
B. 9y = 6x
C. y = x - 4
D. 6x - 4y = 6

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.

What is the number 321,000,000 in scientific notation? also what is the number? ?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?