Marty is 3 years younger than 6 times his friend warren's age. the sum of their ages is greater than 11. what is the youngest age warren can be?

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent