The width of a rectangle measures (2.5d – 7.2) centimeters, and its length measures (3.1d – 1.7) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle?​

Which of the following is true for the relation f(x)=2x^2+1

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m