Construct a 90% confidence interval of the population proportion using the given information X=125, n=250

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

The answer is 7.2 how would you put this as money