9x squared - 6x - 6x + 4
9x squared - 12x + 4
Answer:
false
Step-by-step explanation:
an integer is any number greater or less than 0
Answer: 34%.
By definition of normal distribution, ≈68% of the data is within 1 standard deviation of the mean. Therefore 68% of IQs are between 85 and 115, and half of that is on the lower end, 85 to 100.