Ais the difference between the greatest number and the least number . what’s the blank ?

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?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Ken earned $128 from his part-time job this summer. he spent 25% of his money on games. he is going to donate 1/6 of the remaining money to charity. how much money will the charity receive?