Round 683,265,721 to the nearest ten million

Me asap! what is the slope of this line? enter your answer in the box.

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.

Find the distance between the pair of points a(-1,8) and b(-8,4)