The second and the third one because first is the same as 3 4/7 and 81=3^4
The enthalpy of a reaction can be measured using a Calorimeter
Answer:x=4
Step-by-step explanation:
The graph of
... y = 3/4 - 2
is a horizontal line at y = -1.25.
The graph of
... y = (3/4)x - 2
is an upward-sloping line with a rise of 3 for every 4 units to the right. It intercepts the y-axis at y = -2.