It's a Statistic question: Critical Thinking: Lurking Variable Over the past 30 years in the United States, there has been a stong negative correlation between the number the number of infant deaths at birth and the number of people over age 65. a) Is the fact that people are living longer causing a decrease in infant mortalities at birth?
b) What lurking variables migh be causing the increase in one or both of the variables? Explain.

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?

What is the inverse of f(x) = 6x -24