Answer:
Yes it is a right triangle.
Step-by-step explanation:
Because the Pythagorean Theorem states that 

Answer:more than 15 and if he worked for 1h he will have 21$
Step-by-step explanation:
Answer:
if you add 14 to 1750 you will get 1764 which equals 42²
Step-by-step explanation:
2/x-9. You must divide 2 by x first to follow the order of operations then subtract by nine.