The numerators of any rational roots of a polynomial will be factors of the what?

Which number line correctly shows 0.8 + 0.3?

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage? question options: $17.45 $19.16 $20.57 $22.28

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet