Together maria and john have $70 if maria has $20. less than john, how much money does each have

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?

#7. m is the midpoint of pq, the diameter of the circle o is 13in. and rm = 4in. find pm find pq

How many significant figures are there in the number 10.76?