Why is the absolute value of a positive integer a negative integer?

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

30 in the diagram line e and made parallel to each other and line p and q are transversal. use properties of special angles formed by parallel lines and their transversals to find the missing angle measures. m< 3=65 m< 15=120 m< 7= m< 4= m< 6= m< 1= m< 16= m< 18= m< 21= m< 10= m< 11= m< 12=

Which of the following is true for the relation f(x)=2x^2+1