Answer:
(9g - 6f)(9g + 6f)
Step-by-step explanation:
81g^2 - 36f^2 =
(9g)² - (6f)² =
(9g - 6f)(9g + 6f)
Answer:
6 hours
Step-by-step explanation:
180 divided by 30 = 6
To solve this problem you must apply the proccedure shown below:
1. First, you must multiply $8 by the hours given in the exercise:

2. Now, multiply the result obtained above by 4, to calculate her monthly income:
3. If 22% of her paycheck goes to taxes, you have:
![(800dollars)-[(800dollars)(0.22)]=624dollars](https://tex.z-dn.net/?f=%28800dollars%29-%5B%28800dollars%29%280.22%29%5D%3D624dollars)
Therefore, the answer is: $624
Answer:

Step-by-step explanation:
