If point A ( -3, -2) is reflected across the y-axis what is the coordinate of the image of A?

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

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?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line