The smallest 4 digit odd number. Well think about it. What are the smallest odd number? It is 1 and 0. So the smallest 4 digit odd number is 1,000
Well, we know is centered at the origing, thus h,k are just 0,0.
using the provided vertex and focus point, gives us a distance for "a" of 9 and a distance for "c" of 15, check the picture below.

You would solve the equation, and then plet what is on the y and x axis
did this help
To find out the answer of this question, you just need to find out the difference between beginning amount and the ending amount
The amount of strawberries she used : 453 gram - 23 grams
The answer is 430 grams
Hope this helps