Please help with 1,2,3 and 4 for statistics and I’m really struggling!!

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

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?