how many x-intercepts will the graph of y=(x-2)^2 have?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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