The two digit number is 43.
If flipped around, the number is 34, which is 9 less than 43. 4 + 3 = 7.
Hope this helps!
Answer:

Step-by-step explanation:
Applying Pythagoras theorem on right angle triangle


Diameter=2 x radius

You need to figure out how many ways you can roll a sum of 9.
3 and 6, 4 and 5, 5 and 4, and 6 and 3. That's 4/36, or a 1/9 chance.
Alex has a 1/6 chance. Therefore, Alex is more likely to win.
The polynomial is the expansion of (x-3)(x-1)(x+4)²
Answer: 8.5%
7/82=0.0853
Multiply by 100 to get percentage
0.0853 x 100 = 8.53