(40 points! ) what is the center of the circle that has a diameter whose endpoints are (-3, -5) and (-11, -7) a. (-8, -1) b. (-7, -6) c. (-4, -6)

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit