Answer:

Step-by-step explanation:
Pythagorean Theorem: In the right triangle the square of longer side is equal to the sum of the squares of other sides.

Answer: no solution
Reason: the 9x on one side cancels out the other, and 3 is not equal to 7.
Answer:
4.4
Step-by-step explanation:
10.6 + x = 15
x = 15 - 10.6 = 4.4
False because you must know all of its components in order to solve the equation