Quadratic Key Features

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios 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.

Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?