Q1a If the linear function of mx - y - m - 1 = 0 does not intersect with the circle function of x^2 + y^2 - 4x - 2y + 1 = 0, find the range values of m.

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Which of the following parabolas opens down?

The area of a circle is equal to 1 dm². find the radius of the circle.