Erin uses this function to calculate the volume of gasoline, in gallons, that remain in her taxi after she has driven x miles. f(x)=20-0.04x

What does the y-intercept of this function represent?

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

2.5 milligrams is equivalent to how many grams

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no