Corporate Finance! I just can't seem to figure it out no matter what I do. I can get some of it done, but I don't understand it.

(Ignore the first calculation)

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Given the median qr and trapezoid mnpo what is the value of x?

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