Answer:
a
the cot of 5 notebook is greater than the cost of 3notebooks plus a $2 pen
the first answer is correct
It depends on whether you have "Perpendicular" or "base"
If you have perpendicular then, you can use the formula:
sin Ф = P / H
If you have base then, you can use the formula:
cos Ф = B/ H
Hope this helps!
the associative property of addition. Try and memorize the different properties. youll need to know them later on. I hope this helped!