Alex builds birdhouses and sells thern in his front yard. The graph shows the cost/profit vs. the number of birdhouses sold. How much does Alex. charge for one birdhouse?

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?

20 points for the brainliest? drag each tile to the correct box. not all tiles will be used. arrange the steps to solve the equation . plz

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?