You roll a number cube twice. What is the probability of rolling a 2 first and then rolling an odd number? A) 1/12
B) 1/36
C) 1/4
D) 1/9

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

Fiona has to plot a histogram of the given data

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.