This is a math question. so if 1 cup of rice requires 1/3 of a cup of water how much water will he need for 2 1/2 cups of rice

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?