3. the equation of a circle is x^2+y^2-4x+2y-11=0 . what are the center and the radius of the circle? show your work.

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Give the functions f(x) = |x + 2| - 3, what is the domain? a, b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2