What kind of pill is 145?

How is subtracting algebraic expressions like subtracting integers? Can ray CD be called ray DC also? What is a regression line that is superimposed on the scatter plot? How does a not regular octagon look like? What was the worst tornado in US history? How do you solve the equation Mx plus Nx equals Px? What is one fourth minus five? What is the mean of 32 and 212? Look at the metric ruler pictured assuming that 0 is visible on the ride and is also on the starting point what is the distance to point d? what is significance on integers? What does the term 'freshman 15' mean? Can the random error be predicted in the regression model? What is 7 times 81? How many days have there been in this year? What is the HCF of 84 and 140? 680000000 expressed in scientific notation? What is The equation of a rational function does not have to contain a rational expression? What is a thousand million years? What is 144 divided by 60? What is the greatest possipble number than can be rounded off to 9.7?