Find the equation of a parabola with a focus at (3,1) and a directrix at y = 3. Question 2 options: A) y = –1∕4 (x – 3)2 + 3 B) y = –1∕4 (x – 3)2 + 2 C) y = 1∕4(x – 3)2 + 2 D) y = 1∕4(x – 3)2 + 3

The floor plan of a room has a scale of 2.5 in.: 35 ft. in the drawing, the length of the room is 8 in. and the width of the room is 6 in. what is the perimeter of the actual room?

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.