Find the equasion of a line passing through the points (3,-2) and (4,6).
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Write the expression as a single natural logarithm. 2 in a - 4 in y

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.

If point cis between points a and b, then ac + — = ab