An electrician’s fee can be modeled by the equation c=35+20h Where C represents the total cost of the service call and h represents the number of hours spent on the job. What does the y-intercept of this equation represent?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.