I need anyone’s statistic help on these questions... ASAP!! identify the correlation coefficient that would best match the graph

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?