Dylan owes half as much money as he used to owe. if he used to owe $28, which of the following expressions would reflect how much money dylan has now?

2(28)
2(-28)
28 ÷ 2
-28 ÷ 2

2men and 7 boys can do a piece of working 4 days.it is done by 4 men and 4 boys in 3 days how long would it take for 1man or one boy to do it alone

What is the radical expression that is equivalent to the expression 27 1 over 5?

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220