Answer:
x=17
Step-by-step explanation:
The answer will be calculated by Pythagoras theorem here -
The second one, 69/24 = 23/8 and cannot be simplified further
-10x + 1.5 because you get rid of the parenthesis so -2 times 5 is -10 ( -10x ) and then -2 times -0.75 equals positive 1.5 due to two negatives canceling out to positive hope this helped!