Assume there are 120 million passenger cars in the united states and the average fuel consumption is 20 mi/gal of gasoline. if the average distance traveled by each car is 12,000 mi/yr, how much gasoline would be saved per year if average fuel consumption could be decreased to 25 mi/gal?

Find the value of the variable and the length of each secant segment

Which expression is equivalent to? assume x > 0 and y > 0.

Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.