Nadal invests $5,678 at an annual interest rate of 4.5 percent for 6 years. For which variable can Nadal substitute the value 5,678 in the simple interest formula? I = p r t

A. I

B. p

C. r

D. t

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.

answer: they are supplementary angles

step-by-step explanation: 161+19=180. supplementary angles equal 180 degrees