I need help ASAP will mark you the brainliest

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

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