Answer:14
Step-by-step explanation:
x + 7 = 21
group like terms
x = 21 - 7
When positive cross = sign it turns negative
x = 14
<span>1. Read through the entire problem. 2. Highlight the important information and key words that you need to solve the problem. 3. Identify your variables. 4. Write the equation or inequality. 5. Solve. 6. Write your answer in a complete sentence. 7. <span>Check or justify your answer. hope this helps :D</span></span>
Answer:
Step-by-step explanation:
To solve for <em>CD</em>, we can create a right triangle.
Where <em>CD</em> becomes the hypotenuse.
The length of the base of the triangle is 9 units.
The length of the height of the triangle is 5 units.
Apply Pythagorean theorem to solve for the hypotenuse.
Answer:
It would be $390 for the 4 hours and the cleaning fees. And the slope would be -13 if you are going from 12 to 7 but would be 13 if you are going from 7 to 12...
Step-by-step explanation:
