Find an expression equivalent to 1-sinx ^2/1-cosx ^2

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y

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?

5cakes cost 3.50 how much do 7 cakes cost