Given the side lengths, determine whether the triangle is acute, right, obtuse, or not a triangle

The letter tiles shown below are in a bag. whiteout looking i am going to draw one tile. what are my chances of drawing g?

Arectangular prism is 3 meters long, 6 meters wide, and has a height of 9 meters. what is its surface area?

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.