At the beginning of an experiment, a scientist has 204 grams of radioactive goo. After 270 minutes, her sample has decayed to 3.1875 grams.​

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2