Which of these operations is not closed for polynomials? A. Subtraction

B. Addition

C. Division

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

What is the absolute value of the complex number -4-sqrt2i

Which of the following is the maximum value of the equation y=-x^2+2x+5 a. 5 b. 6 c. 2. d. 1