7th Grade Based on the graph, which two months are responsible for a combined %20 of birthdays?

Here is the information :
Jan. 21
Feb. 10
March 23
April 20
May 5
June 11

Graph below.
Please help, Thank you.

What is the slope of the line that contains the points (-2,1) and (0,-3)

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 sunflower? ? plz write a proportion to solve i will give you 100 points

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?