An envelope from the post office is 3 inches wide with a total area of 30 square inches. what is the height of the envelope

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

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

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?