Answer:
(-5)(-9)
Step-by-step explanation:
any negative multiplied by any negative will always equal a positive
Answer:
hey dude, The formula is (x-y)³=x³-3x²y+3xy²-y³.
Answer:
cos B = 8/17
Step-by-step explanation:
The cosine function is defined as (adjacent side) / (hypotenuse), and in this case is 8/17.
