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describe in your own words the characteristics of linear equations that determine whether a system of linear equations will be intersecting, parallel, or coincident. (2 points, 0.5 for clarity of response, 0.5 for each type of system).

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1