Which of the following is a irrational number a) 787 b) 13/17 c) 4.5102 d) 620

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.