On the number line below, p represents a number. What is the value of the opposite of that number

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Which statements are true about additional information for proving that the triangles are congruent check all that apply

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120