It takes Bobby and Jeremy 20 minutes to set up 5 tables. If Bobby and Jeremy work at a constant rate, what is the constant of proportionality?

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?

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2