Express the following in standard form
please help and explain.

√-16
√-24

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?