The actual width of the room was 42.6 feet. suppose we calculated the error in each student's guess as follows: guess − 42.6. find the mean and standard deviation of the errors. how good were the students' guesses? justify your answer.

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=

I’m still confused on how to work the percentages

Which of the following vectors are orthogonal to (2,1)? check all that apply