Which expression is equivalent to -2.5(1-2n)-1.5n? A.-2.5+3.5n
B.-2.5-3.5n
C.-2.5-6.5n
D.-2.5-n(5-1.5)

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?

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30