Find the vertex of this parabola. y = -2x2 + 4x + 12 a. (-4, 12) b. (-2, 6) c. (3, 6) d. (1, 14)

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Yo need asap pls ! markin da brainiest too !

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second