0.5 to the fourth power equals 0.0625.
3x-5 is a midline of that triangle so:

Answer D.
Answer: 68
Step-by-step explanation:
range=47 lowest score = 21 let highest score =x
Range=highest score - lowest score
47 = x - 21
x = 47 + 21
x = 68
Therefore the highest score is 68
13/8 or 1 5/8
3/4 becomes 7/8 when add it is 13/8