What is the equation of the line that passes through the point (6,11) and is parallel to the line with the following equation?

y=2/3x-5

a. y=2/3x-15
b. y=-2/3x+17
c. y=-2/3x+5
d. y=2/3x+7

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)