What decimal is shown by the shaded area in the model

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Which equation can be simplified to find the inverse of y = 2x2^2

Aline passes through the points (5,4) and (2.1). part a.) what is the slope of the line that passes through these points? show work. part b.) what is the equation of the line that passes through these points. show work. part c.) where does the line intercept on the x& y axis? show work