You bought a magazine for $3 and five notepads. you spent a total of $28. how much did each notepad cost

Name the quadrilaterals that have four equal sides.

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10