Plz help 7th grade math *will mark brainliest! Tell whether the transformation is a rotation about the origin. If so, give the angle and direction of the rotation

Long division the problem is 40 ➗ 348 = ?

What is the sum of these mixed numbers 4 2/3+ 3 1/9

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.