A professional baseball player can pitch a baseball with a velocity of 44.7 m per 2nd toward home plate if a baseball ways 1.4 N how much momentum does it have when it hits the catcher's mitt

What expression is equivalent to (2x-1)(x-3)?

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?