A statistician collected the following data to explore the relationship between two variables, x and y. Answer the question below.

A company models its net income with the function f(t) = 8t^2 + 56t - 144 where t is the number of units of its product sold. How many units of its product does the company need to sell to make the net income equal 0

Answer the following question regarding correlation coefficients and relationships.

What is the value of x in the equation shown below?                       3(x – 4) = 2(–2x + 1)

A set of nine data points is shown below. 45, 56, 52, 39, 60, 48, 42, 57,50 Which statement is true if a tenth data point of 20 is added to the data set?

If the weight of the Polar Bear was removed, what happens to the mean? Look at the table below.

What is the value of x in the equation shown below?                             2(x + 8) – 4x = 10x + 4

What expression is equivalent to (x+2)(4x-4)

The function f(x) = –0.25x + 5 models the height of a candle x seconds after it is lit. What is the meaning of the y-intercept of the function?

Solve for n:                                              pv=nRT

Does the data set become Skew Left, Skew Right, or Symmetrical when the new ACT score is added?