Atank is being filled with gasoline at a rate of 4.5 gallons per minute. the gas tank contained 1.5 gallons of gasoline before the filling began. write an equation in standard form to model this linear situation.

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Is this a polynomial function? i need to know asap