Find the sum. 172 + (–167) + (–10) + (–144)
a. –129

b. –149

c. 185

d. 139

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Is this a polynomial function? i need to know asap