Answer:
500
Step-by-step explanation:
i already did it.
(vertice is (0,0) and your focal is 9/8
Answer: 
Step-by-step explanation:
Step 1: Subtract 8 from both sides: 

Step 2: Divide both sides by 7: 
Get your answer: 
Answer:
4 + 2.5c = 16
Step-by-step explanation:
Let c = number of candy bars
All soda cost $4.00
Each candy bar costs $2.50, so c number of candy bars cost 2.5c.
The total cost is the sum of the costs of the soda and candy bars.
Total cost is 4 + 2.5c
To write the equation we set the total cost expression above equal to the given total cost.
4 + 2.5c = 16