Are the fractions 15/45 and 45/135 equivalent? why! ?

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

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

2/3(-6y+9x) expand each expression using the distributive property