Natasha is setting tiles along the baseboard in her bathroom. one side of the bathroom is 18 3/4 feet. each tile is 1 1/2 feet long. how many tiles does she need for this section.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

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?