Help pls on this pls

What is the product of the radical expression. (7-2square root) (8+2 square root)

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

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