Which set of side lengths can be used to construct a triangle?
a. 1, 2, 3
b. 6, 9, 15
c. 7, 12, 20
d. 9, 12, 17

On a architect's drawing of a house, 1 inche representa 1.5

How far could you drive on 50 gallons of gas

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)