Which of the following expression is equivalent to 12÷3/2?

In which form is the following function written? y = - 2(x – 3)(x + 5)

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?