If the sum of two numbers is 90 but their difference is 12 what are the two numbers

What is the vertical asymptotes of the function f(x)=x-2/x*2-3x-4

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

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.