URGENT PLZ HELP find the diameter of circle Q if angle PQR mesures 31° and the arc length of PR is 9 cm

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

The sum of five and a number n is at least 12