A factory increased its production by22.5% and produced 49000 tonnes. How many tonnes was it producing before

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

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

If chord ab is congruent to chord cd, then what must be true about ef and eg?