The effect of the time of day a science class is taught on test scores is being studied in an experiment. Which of these is most likely to be an extraneous
factor that could also affect test scores?
A. Difficulty of test questions
B. Color of the school hallways
C. Student clothing
O D. Principal of the school

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z