Answer: 
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
1. You have the following equation given in the problem above:

2. Apply the Distributive property:

4. Now, you must add like terms:

5. Solve for
, then the result is:

Answer:
it would be x>25 because it would either be up to 25 questions or less
Answer:
speed of R miles per hour
miles depends on time
thats why it's miler per hour
I can't tell if this is what you were asking for, but I included some explanations.
Answer:
The value of a is 7.4833. The value of
and
.
Step-by-step explanation:
Consider the provided information.
The required figure is shown below:
We need to find the value of a.
Calculate the value of a by using Pythagorean theorem.





Hence, the value of a is 7.4833.
Now find the value of angle A as shown:




Find the value of angle B as shown:




Hence, the value of
and
.