Answer:
I'm going to put the most shells possible on the necklaces this would be 38, 38x5=190, meaning that we have a remainder of 2.
2 shells would be on the magnet
Answer:

Step-by-step explanation:
We are to find the product of the given expression. Given the expression
(3xy - 1) (4xy + 2), th product is derives by simply opening up the bracket as shown below;

The expression 2(6x²y²+xy-1) gives the required product.
Tan(F) = 8/6 = 4/3
hope it helps