C=√a²+b. square both sides
c²=a²+b². subtract a² from both sides
c²-a² = b². take the square root of both sides
b=±√c²-a²
but since length can never be negative we consider only the positive root
b=√c²- a²
Final result :: (2x + 3y) • (2x - 3y)
Answer:
10
Step-by-step explanation:
Since 12 is closer to 10 than 20, the nearest ten is 10, which is the answer.
Answer:
A 45
Step-by-step explanation:
45 is the answer and hope this helps!
Answer:
x=-39
Step-by-step explanation:
