Answer: 6.5
<u>Step-by-step explanation:</u>

Cross multiply: 118(z) = 13(59)
z = 
= 6.5
Im assuming you mean the sides of a triangle which the answer would be no as 1+4 does not equal to 25. (A2+b2=c2) for a right triangle
2/3 of its capacity - 60 * 2/3 gallons = 40 gallons.
Time to fill to 2/3 is 40 / 4/5 = 40 * 5 / 4
= 50 seconds (answer)
2 16/99 as decimal should be:
2 + (16/99) = 2 +0.17 = 2.17