What is 8.546 rounded to the nearest tenth on a verticle number line

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

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.