One number is 3 more than 5 times another their sum is 39

For the equations below which statement is true ? -2x=14 6x=-42

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

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