Answer:

Step-by-step explanation:
To solve this problem, you must:
- Subtract 7 from both sides of the equation:

- Now, you can factor it. Choose two numbers whose sum -14 and whose product is 45. These numbers would be -9 and -5. Therefore, you obtain the following solution:

Answer:
cant
Step-by-step explanation:
Answer:
19.5
4555.555555555555 hz
Step-by-step explanation:
Answer:
162
Step-by-step explanation:
2, 2*3, 2*3*3, 2*3*3*3, 2*3*3*3*3=162