15 point plz ill even give brainlest no one ever awnsers these kind of qustions i so plz !

Kevin and randy muise have a jar containing 78 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $13.90. how many of each type of coin do they have?

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

He concluded that a heavier object dropped from the same height as a lighter object will land