Writing and Evaluating an Expression Write and evaluate the expression. Then, select the correct answer. The sum of forty-five and a number, evaluate when n = 1.1 O 45n, when n = 1.1, the value is 49.5 O 45 + n, when n = 1.1, the value is 46.1 O 45 – n; when n = 1.1, the value is 43.9. o when n = 1.1. the value is 0.024.

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