There are 6 gallons of gas in a tank that is 20% full. How many gallons of gas are in a full tank? Will give brainliest plz answer fast with explaining!!

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

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

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart