Are the lines y=-2x and 2x+y=3. are they paralell, perpendicular, or neither?

X-intercept=-5 y-intercept=2 the equation of the line is

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points