Salaries for teachers in a particular elementary school district are normally distributed with a mean of $42,000 and a standard deviation of $6,300. We randomly survey 10 teachers from that district. Find the 90th percentile for the average teachers' salary.

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle

Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.

Aright triangle can also be a(n) triangle.