What is a scientist who studies patterns of diseases called? please help me im begging please! 25 points! A doctor
An epidemiologist
An informatics specialist
A pharmacist

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

Astudy group should stay around 3-6 people. true or false

Show all steps i have my exam tomorrow