X2 + y2 + 4x + 12y = –15
How to get the center of the circle?

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?

Ill mark the brainliest if you me with the these three questions 7,8,9

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?