Hurry. need an answer quick. sorry if this is made poorly, i have never used anything like before.

which method would be the best to solve the system of equations?

y=2/3x
y=−6x+1

(multiple choice) answers:

1.) graphing
2.) substitution
3.) process of elimination

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

Somone me i want to know what 18 hours out of 24 hours in a fraction

What statement is true? 2x^2-9x+2=-1