In a normal distribution, what percent of the values lie within on standard deviation of the mean

Select all that apply. The ratio of scientists to student interns working at a water treatment facility is 5:2. 14 student interns work at the water treatment facility. Which statements are incorrect?

The function g (x) = 2x2 - 28x + 3 written in vertex form is g (x) = 2 (x - 7) 2 - 95. Which is one of the transformations applied to the graph of f (x) = x2 to produce the graph of g (x) = 2x2 - 28x + 3?

What is the result of isolating y^2 in the equation below? 9x^2+7y^2=42

Daisy gave away 4more than half of her apples. She gave away 19 apples. How many Apples did daisy have originally?

Angie an Kenny play online video games. Angie buys 1 software package and 3 months of game play. Kenny buys 1 software package and 2 months of game play. each software package cost $20.

Marci mailed nine letters at the post office. Each letter weighed 3.5 ounces. What was the total weight of the letters

1/3 (12 - 24v) = - 2 (4v - 2)

Casey spends $50 a week on entertainment. Kelly spends 10% less than Casey and Megan spends $5 less than Kelly. Which expression represents how much Megan spends? (w represents weeks) A) 35w B) 40w C) 45w D) 55w

Find the mean, median, and mode of the data. 12, 13, 40, 95, 88, 7, 95 mean is 50. median is 40. mode is 95. what measure best represents the data? -mean -median -mode

d. Is the statement "Two fundamental questions about a linear system involve existence and uniqueness" true or false? Explain.