Which of the following is equal to angle c?
a. cos (a/c)
b. sin (a/c)
c. tan^-1 (c/a)
d. cos^-1 (c/a)

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?

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position