How can you represent relationships between sets and subsets of a sample space

Minus divided 3K - 12 equals 48

Consider a population variable measured in square-feet. The population standard deviation is 15 square-feet. How many observations do we need in our sample in order to be able estimate a 95% confidence interval with only 2.

A sewing bag contains 3 gold buttons and 4 black buttons. How many buttons need to be added to the sewing bag so that there are 30% gold buttons?

Given g (x) = 2x + 5, find g (1)

What is the least multiple of 6,12 and 15

Is the function in the table linear or nonlinear and why? x y 0,-100 and 1,-50 and 2,0 and 3,100 and 4,150. (A) The function is not linear because there are negative values in the y values.

The median size of a new house grew from 1780ft in 1997 to 2223ft in 2008. What is the percent of increase?

Can sombody tell me what is 10=-2c+22

What is the equivalent expression for a+a+a

What does the ratio of water and flour 10:4.5 mean?