I am going on a limb to say its a bit more than 14, about maybe 20
Answer: (C) 7x + 11x =90
Step-by-step explanation: The angle is a right angle which means that it equals 90 degrees so both angles in the right angle will add up to 90 degrees.
Explanation:
Distributive property: → 
Multiply by the numbers from left to right.

Then, you can also divide into the numbers.


Product it's going to be multiply by the numbers, fractions, factors, and multiples.
Hope this helps!
Thanks!
Have a great day!