To factor 9x^2-16, you can first rewrite the expression as: A. (3x)^2-(4)^2

B. (3x-4)^2

C. (3x)^2-(4)

D. None of the above

A (3x)^2-(4)^2

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

If square root x = -7, then x= -49 true or false

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?