Vector v has a magnitude of 5 and a direction of 225° in standard position. Vector w has a magnitude of 20 and direction of 45° in standard position. What is the magnitude of v + w? A) 20
B) 10
C) 15
D)30

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