There is a proportional relationship between minutes and dollars per minute, shown on a graph of printing expenses. The graph passes through the point (1,4.55). What is the slope of the graph? What is
the unit rate? Complete the explanation.
The slope is
The unit rate is $ min. If the graph of a proportional relationship
passes through the point
r), then r equals the slope and unit rate.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?