What is the distance for each letter in centimeters AND millimeters?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

Urgent? will give brainliest to the first correct answer what is the area of the figure?

Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)