Based on the figure, select all true equations. A. cos (42) = b/c
B. cos (48) = b/c
C. sin (42) = b/c
D. sin (48) = b/c
E. tan (42) = b/a
F. tan 48 = a/b

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?

Which expression is not a polynomial?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?