Water is pouring into a cuboidal reservoir at the rate of 30 litres per minute. If the volume of reservoir is 54 m³, find the number of hours it will take to fill the reservoir.

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.