Tính thể tích vật thể tròn xoay khi được tạo thành khi quay miền D giới hạn bởi y=-x^2+1,y=-x+1 quanh Oy

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

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

What is the perimeter of a rectangle if the length is 5 and the width is x?