Which term could be put in the blank to create a fully simplified polynomial written in standard form? +3xy^2-4y^3

This question awards 100 ! i really don’t want to fail i will also mark you !

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.