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.

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

Given the parent function of [tex]f(x)=x^4[/tex], what change will occur when the function is changed to [tex]f(\frac{1}{2} x)[/tex]?

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198