An environmentalist uses the line, based on the 20 years, to predict average global temperatures in 2050. What is the prediction? How reliable do you think your prediction is?

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?