The scale of the map says that 4 cm represents 5km. What is the actual number of kilometers that is represented by 5 centimeters on the map?

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

If the value of cos330°is√3/2 then find cos 165°.

When solving a logarithm equation, how do you find the missing variable ?