Apply the order of operations to evaluate expressions involving square roots and cube roots, with and without using a calculator

1. In the square S/R 49 + S/R 144 + 6sqrd = ?
2. In the square S/R 25 + S/R 81 + 7 sqrd = ?
3. In the square S/R 16 + S/R 100 + 9sqrd = ?
4. In the square: 49+ * +6=57
5. In the square: * +16+15=240
6. In the square: 36+289+ * =87
7. In the square: * + 81+5=47
8. In the square: 64+361+ * =196
9. Number detectives: (Sq root of 16+ sq rt of 25)/3
10. Number detectives: Take the sq. root of 1600 from 10 squared
11. Number detectives: Product of 10 and 7 /sq. root of 49
12. Number detectives: Sum of 2 numbers=13. One number is 9. What is the sq. root of the other number?