How to find the missing number when given the mean: Adam earned 75, 88, 92, 94, and 71 on the first 5 assignments. What was his score on the sixth assignment if the mean of the data was 85?​

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?