I think the answer is 558.04
Answer: 
Step-by-step explanation:
Observe in the figure given in the exercise that four right triangles are formed.
In this case you can use the following Trigonometric Identity to solve this exercise:
From the figure you can identify that:

Then, you can substitute values:

The next step is to solve for DE in order to find its value. This is:

Finally, rounding the result to the nearest tenth, you get that this is:

Answer:
5 and 6
Step-by-step explanation:
You have to find two numbers (in the chart) that have a difference of 3/8.
This is just one possiblity, there are other correct answers.
There is size 5 and 6. 9 and 4/8-9 and 1/8=3/8.
Answer:
72x−497
Step-by-step explanation:
Answer: No, there isn't a proportional relationship.
Step-by-step explanation: In these type of problems, always divide. For it to be proportional, the number of children/ apple slices should be the same for all days. But it isn't, the value differs.