If y varies directly with x, and y is 3 when x is 9, find x when y is 12.​

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

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

The area of a circle is equal to 1 dm². find the radius of the circle.