31/61 or 50.8 percent
the daily passes added together are 31 passes for adults and children. Adding everything together gives us the denominator of the fraction 61. 31/61 = 50.8%.
2a^2+4a+1 is equivalent to 4a+4/2a*a^2/a+1
Step-by-step explanation:
by Pythagoras theorm
AB²=AC²+BC²
AB²-BC²=AC²
6²-2² = AC²
32=AC²
TAKING SQUARE ROOT ON BOTH SIDES
4√2 = AC