Type the correct answer in each box.

The coordinates of the point that is a reflection of Y(-4, -2) across the x-axis are (
,
). The coordinates of the point that is a reflection of Y across the y-axis are (
,
).

What can you determine about the solutions of this system

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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?