What is 91,284 rounded to hundred thousands

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

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