Solve the equation. |k + 9| = 4

{all real numbers greater than or equal to –13 and less than or equal to –5}

{–5, 5}

{–13, –5}

{–5, 13}

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer

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.

Find the percent error of the measurement 4 cm