Please can someone help me with this ASAPS

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?

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1