A crew of highway workers paved 1/2 mile in 1/4 hour. If they work at the same rate, how much will the pave in one hour

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?

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'