Ajigsaw puzzle contains 50 pieces. if joining any two pieces or groups is considered one move, what is the least amount of moves to join all 50 pieces?

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?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars