Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard deviation σ=15. Find the probability that a randomly selected adult has an IQ between 87 and 123 .

choice b is correct

step-by-step explanation:

we have been given the following system of inequalities;

we are required to graph the solution to the system of inequalities. using a graphing tool, the graph of the system is as shown in the attachment. the continuous line represents the graph of while the dotted line represents .

19.side- angle- side

20. angle- side- angle

step-by-step explanation:

answer: 1 and 3

step-by-step explanation:

answer is c.

quadrilateral

hope you got it chief