Find the area of a triangular prism

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation

Is the power produced directly proportional to the wind speed, give reasons for your answer?