How do you turn 37.5 into a fraction

How do you write something in scientific notation?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.