If someone could assist me with any of these, that’d be great. i’ll give brainiest, considering that’s what people offer.

7x+8y=-18, 4x-9y=-3 solve the system of equations

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

Answer pls man im trying to get out of summer school