Which of the following laws is described in the situation below?
you are given the following true statement:
if angles a and b are vertical, then they are congruent.
if two angles are vertical then they are congruent. therefore, since angles a and b are vertical, then they are congruent.

law of detachment

law of syllogism

What is 60.9643790503 to 5 decimal

What is the domain of the step function f(x)=[2x]-1?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacio's sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk