4/9−(−4/9) i think its zero just making shure

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?