Answer:
a²+b²=126
Step-by-step explanation:
(a+b)²=a²+b²+2ab
(12)²=a²+b²+2×9
144=a²+b²+18
a²+b²=144-18=126
1) 500+60+3 and 563
2) 1 hundreds + 0 tens + 9 ones and 100+0+9
3) 9 hundreds + 2 tens + 23 ones and 23 ones?? not possible!.
4) 370 and 300 + 70 + 0
Hope my answer helps!
? This question isn't very understandable.
Answer:
684
Step-by-step explanation:
Just divide, 8208/12
because 8208 is the number of tickets overall and 12 is how many performances
