An oak tree is planted when it is 850 centimeters tall. what is this height in meters?

the height of the oak tree is
meters.

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Ihonestly have no clue if it's each or none.